noun
binding of armor plates with colored laces
Historical term referring to the technique of lacing together the small plates (kozane) of traditional Japanese armor with silk or leather cords, often in colorful patterns.
鎧の糸威には、赤や白の組紐が使われた。
Red and white braided cords were used for the lacing of the armor.
Compound of 糸 (ito, 'thread') and 威 (odoshi, 'intimidation' or 'threat'), but here 威 is a specialized term for the lacing of armor plates. The exact historical derivation is uncertain.