Where does “tsuna” come from?

tsuna (English) comes from Japanese 綱, from Middle Chinese こう.

tsuna (English): the wide ceremonial belt, with hanging zigzag...

Definitions

  1. the wide ceremonial belt, with hanging zigzag...

Ancestry of “tsuna”, step by step

StepLanguageWordMeaning
1Japanese綱rope; tsuna; ceremonial sumo belt; class
2Middle Chineseこう—
Every word from Middle Chinese こう →Every word from Japanese 綱 →
tsuna — Etymology, Origin & Word History | Etymology Explorer