猿臂を伸ばす[
enpiwonobasu] to stretch one's arms
半臂[
hanpi] short-sleeved (or sleeveless) undergarment worn by aristocratic men
半臂の緒[
hanpinoo] decorative gauze strap that hangs from the front left side of the kohimo when tying closed one's hanpi
猿臂打ち[
enpiuchi] elbow strike (karate)