Research any topic before you write.

Find related topics. | Discover entities. | See connections. | Build a topical map.

Katana: History & Trade

A katana (刀, かたな; lit. 'one-sided blade') is a Japanese sword characterized by a curved, single-edged blade with a circular or squared guard and long grip to accommodate two hands. Developed later than the tachi, it was used by samurai in feudal Japan and worn with the edge facing upward. Since the Muromachi period, many old tachi were cut from the root…

Language: English [EN]
Use the mouse wheel or two fingers (on touchscreens) to zoom in and out of the map.
100%
More settings
100% 100% 100% 100% 100%

Katana topic overview

The analysis highlights History and Trade as prominent areas in the source structure around Katana.

Related topics
134
Source areas
12
Connected nodes
146
Extracted relationships
134
Related term clusters
34
Bridge connections
146

What this topic covers Research coverage

Source areas are shown by the number of related topics found in each part of the analysis. Use smaller areas too: they can reveal specialized angles and content gaps.

History · 34 topics
Overview · 28 topics
Description · 14 topics
Etymology and loanwords · 12 topics
Rating of Japanese swords and swordsmiths · 11 topics
Ownership and trade restrictions · 9 topics
Gallery · 8 topics
Usage in martial arts · 8 topics
Forging and construction · 5 topics
Storage and maintenance · 2 topics
World records · 2 topics
Appreciation · 1 topics

Smaller areas are not necessarily less important. They contain fewer connections in this analysis and can be useful for finding specialized angles or coverage gaps.

Key facts & relationships

High-confidence facts extracted from structured source data. Use them as anchors for further research.

Blade length
approx. 60–80 cm (24–31 in)
Blade type
Curved, single-edged
Hilt type
Two-handed swept, with circular or squared guard
Place of origin
Japan
Produced
Nanboku-chō period (1336–1392) which corresponds to the early Muromachi period (1336–1573) to present
Scabbard/sheath
Lacquered wood, some are covered with fish skin, decorated with brass and copper.

Start with your topic. Discover where to go next.

Explore different angles and find fresh ideas to shape your next piece of content.

Katana
5Japanese sword · Tachi · Samurai
4Kenjutsu · Battōjutsu · Iaido
6Tokugawa Yoshimune · Shogun · Tokugawa shogunate
6Tantō · Kamakura period · Naginata

Explore all related topics Closing gaps

Browse the complete topic structure, not only the most central items. Less prominent entities and concepts can reveal missing angles, specialized context and useful research gaps. Each item opens a new analysis centered on that subject.

Overview

Etymology and loanwords

Description

History

Forging and construction

Appreciation

Rating of Japanese swords and swordsmiths

Usage in martial arts

Storage and maintenance

World records

Ownership and trade restrictions

Gallery

For the semantics nerds

You can skip this section if you’re here for content ideas and keyword inspiration.

Advanced semantic analysis

How Katana connects Entity context

The extracted context around Katana shows recurring relationship patterns in the source. For example, Katana → Antique Japanese, ArtHilt, Azuchi, Black, Boston, Daishō, Designated, Early Edo, Edo, Fine Arts, Hilt, Hizen, Hizen Tadayoshi, Important Cultural Property, Important Mounting, Koshirae, Late Edo, Meiji, Metropolitan Museum, Momoyama Another extracted example is Katana → Almost, Azuchi, Azuchi-Momoyama, Bizen, Edo, Japan, Japanese, Kamakura, Keichō, Kunihira Kawachi, Lacquered, Mino, Momoyama, New, Sengoku, Swords, The Umetada, Toyotomi Hideyoshi, Umetada Myoju. Use these groups to spot repeated connection types before inspecting the individual relationships.

Katana

Top relations

related to Gallery · 32
Katana → Antique Japanese, ArtHilt, Azuchi, Black, Boston, Daishō, Designated, Early Edo, Edo, Fine Arts, Hilt, Hizen, Hizen Tadayoshi, Important Cultural Property, Important Mounting, Koshirae, Late Edo, Meiji, Metropolitan Museum, Momoyama
related to Shintō (New swords) · 19
Katana → Almost, Azuchi, Azuchi-Momoyama, Bizen, Edo, Japan, Japanese, Kamakura, Keichō, Kunihira Kawachi, Lacquered, Mino, Momoyama, New, Sengoku, Swords, The Umetada, Toyotomi Hideyoshi, Umetada Myoju
related to Shinshintō (New swords) · 10
Katana → Japan, Japanese, Kamakura, Masamune, Minamoto Kiyomaro, Nanboku-chō, National, One, Suishinshi Masahide, Yotsuya
related to United Kingdom · 10
Katana → April, August, British, England, Japan, Martial, Northern Ireland, Offensive Weapons Order, Scotland, Wales
related to Kotō (Old swords) · 9
Katana → Also, Hishizukuri, Japanese, Kamakura, Kasuga Shrine, Muromachi, Nanboku-chō, Nanbokuchō, Starting
related to World records · 8
Katana → Fastest, Greek Agisilaos Vesexidis, Guinness World Records, Iaido, Isao Machii, June, Multiple, Tameshigiri
related to Types · 6
Katana → Heian, Japanese, Kissaki-Moroha-Zukuri, One, Shinogi-Zukuri, Shobu-Zukuri
related to Republic of Ireland · 5
Katana → Amendment, Firearms, Offensive Weapons, Offensive Weapons Act, Order
related to Appreciation · 4
Katana → Depending, Hamon, Historically, Japanese
related to Usage in martial arts · 4
Katana → Martial, Sharp, Shinkendo, Tenshin Shōden Katori Shintō-ryū

Important terminology

Use these terms to understand the vocabulary surrounding the topic, not as a checklist for keyword stuffing.

Important terminology

japanese swords sword period blade tachi swordsmiths japan samurai made called used also century edo edge hamon forged cutting many

Katana relationships Subject–Predicate–Object triples

TTTA extracted 134 structured relationships around Katana. Examples in this analysis include Katana → Blade length → approx. 60–80 cm (24–31 in) and Katana → Blade type → Curved, single-edged. The table shows each extracted connection, where it came from and its confidence.

SubjectPredicateObjectConfidenceSrc
KatanaBlade lengthapprox. 60–80 cm (24–31 in)1.00infobox
KatanaBlade typeCurved, single-edged1.00infobox
KatanaHilt typeTwo-handed swept, with circular or squared guard1.00infobox
KatanaPlace of originJapan1.00infobox
KatanaProducedNanboku-chō period (1336–1392) which corresponds to the early Muromachi period (1336–1573) to present1.00infobox
KatanaScabbard/sheathLacquered wood, some are covered with fish skin, decorated with brass and copper.1.00infobox
KatanaTypeSword1.00infobox
KatanaUsed bySamurai, Daimyo, Shogun, onna-musha, ninja, kunoichi, kenjutsuka, iaijutsuka, iaidoka, and battōjutsuka1.00infobox
ōdachi were popularinstance oflong weapons0.80text
and along with thisinstance oflong weapons0.80text
sasuga were gradually lengthenedinstance oflong weapons0.80text
finally became katanainstance oflong weapons0.80text

Related concept clusters Related term clusters

The concept neighborhoods around Katana bring nearby vocabulary together. In this analysis, examples include Tachi, Period and Blade. Use the clusters to find adjacent concepts and terminology that may deserve separate research.

  • japanese sword
    • Swords
    • Sword
    • Katana
    • Made
    • Period
    • Swordsmiths
    • Japan
    • Blade
    • Century
    • Samurai
    • Edo
    • Tachi
  • japanese government
    • Swords
    • Sword
    • Katana
    • Made
    • Period
    • Swordsmiths
    • Blade
    • Japan
    • Century
    • Tachi
    • Museum
    • Many
  • japanese diet
    • Swords
    • Sword
    • Katana
    • Made
    • Period
    • Swordsmiths
    • Blade
    • Japan
    • Century
    • Tachi
    • Museum
    • Many
  • japanese
    • Swords
    • Sword
    • Katana
    • Made
    • Period
    • Swordsmiths
    • Blade
    • Japan
    • Century
    • Tachi
    • Museum
    • Many
  • sword
    • Period
    • Swords
    • Japan
    • Made
    • Samurai
    • Edo
    • Tachi
    • Museum
    • Martial
    • One
    • Arts
    • Length
  • sword hunt
    • Period
    • Swords
    • Japan
    • Made
    • Samurai
    • Edo
    • Tachi
    • Museum
    • Martial
    • One
    • Arts
    • Length
  • national treasure in japan
    • Important
    • Swords
    • Period
    • Samurai
    • Sword
    • Used
    • Produced
    • Japanese
    • Swordsmiths
    • Tachi
    • Made
    • Cultural
  • the society for preservation of japanese art swords
    • Swords
    • Sword
    • Swordsmiths
    • Made
    • Katana
    • Period
    • Blade
    • Japan
    • Century
    • Called
    • Tachi
    • Produced

Connections between topic areas Semantic bridges

For Katana, one of the stronger structural bridges in this analysis connects Katana with History. Bridges highlight paths between different parts of the map and can reveal research angles that are easy to miss in a flat list.

Min side: 3
Katana — History · splits 112 ⟂ 35
Katana — Overview · splits 118 ⟂ 29
Katana — Description · splits 132 ⟂ 15
Katana — Etymology and loanwords · splits 134 ⟂ 13
Katana — Rating of Japanese swords and swordsmiths · splits 135 ⟂ 12
Katana — Ownership and trade restrictions · splits 137 ⟂ 10
Katana — Usage in martial arts · splits 138 ⟂ 9
Katana — Gallery · splits 138 ⟂ 9
Katana — Forging and construction · splits 141 ⟂ 6
Katana — Storage and maintenance · splits 144 ⟂ 3
Katana — World records · splits 144 ⟂ 3

Map overview Semantic statistics

Katana

Nodes147
Edges146
Triples134
Avg. degree1.99
Density0.013605
Components1

Source & methodology

TTTA analyzes the structure around Katana to surface related topics, entities, relationships, concept neighborhoods and bridge connections. Use the map to explore areas such as History & Trade, including less central topics that may reveal useful research gaps. Automatically extracted connections are research leads rather than rewritten encyclopedia content.

Source: Wikipedia — Katana · EN edition · Analysis: TopicsToTalkAbout

For writers, content strategists, SEOs, marketers and creators — from quick topic research to advanced semantic analysis.

Monitor your Domain Rating with FrogDR