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Kata — Name Families and Lineages

Calligraphic kata names in Japanese

Kata name analysis is one of the most useful tools for tracing the history of Ryukyu kobudo. Because kata were transmitted personally without extensive documentation, the names themselves — carrying teacher names, place names, and family lineages — are the primary historical fingerprints.

How to Read the Name Mappings​

Three principles help navigate the kata name landscape:

1. Teacher names indicate shared roots​

When the same teacher name appears in a kata across multiple styles — 周氏 (Shūshi), 佐久川 (Sakugawa), 北谷屋良 (Chatan Yara), 津堅 (Tsuken), 添石 (Soeishi) — this almost always indicates a shared historical root, even when the choreography has diverged significantly.

2. Romanization varies widely​

The same kata can appear under several spellings:

  • 周氏の棍 = Shūshi no Kon / Shushi no kon
  • 添石の棍 = Soeishi / Sueyoshi / Shiishi no kon
  • 津堅棒 = Tsuken / Chikin Bō

Do not assume different spellings mean different kata without checking the kanji.

3. Post-war "Shō/Dai/Ni" variants​

Many post-war schools created Shō (small/first) and Dai (large/second) variants from a single older form. These are best understood as a shared family, not unrelated kata.

Sections​

  • Bō Kata — Major bō kata families across Taira, Matayoshi, Yamane-ryū, and karate weapon curricula
  • Sai Kata — Sai kata families with technical cluster analysis of the Taira line's eight sai forms

Why Cross-Style Comparison Matters​

The same practitioner often studies from more than one teacher, or different teachers in the same village share a common ancestor. Mapping which kata appear in which organizations — and noting which are absent — reveals the historical network that no single organization's curriculum shows alone.