Ushirogiwa (Ushiro Kiwa) 後ろギワ
The back edge of a pattern
Urushizumi (Urushi Sumi) 漆墨
Lacquer-black sumi
Urokogiwa (Uroko Kiwa) 鱗ギワ
Flame along with scale edges that shape scalloped edge
Uroko 鱗
Scales
Uojirami ウオジラミ
Fish lice