embroidered family crest
A family crest sewn onto traditional Japanese clothing such as kimono, often for formal occasions.
Tomesode often have embroidered family crests on them.
Compound of 縫い (nui, 'sewing') + 紋 (mon, 'crest'). The exact historical derivation is uncertain, but the term straightforwardly describes a crest made by embroidery.