Standard kanji for the gusset panel in kimono; also written 袵.
おくみUsage91%
Kana spelling is practical in everyday writing when the kanji is not needed.
袵
Variant kanji for the same meaning; less common than 衽.
Etymology
The kanji 衽 and 袵 both represent the overlapping front panel of traditional clothing. The reading おくみ is a native Japanese word; its exact derivation is uncertain.