名詞 psoas:

1. either of two muscles of the abdomen and pelvis that flex the trunk and rotate the thigh

pso.as

n.（名詞）
Either of two muscles of the loin that rotate the hip joint and flex the spine.
腰肌：腰部的兩塊肌肉中的任一塊，能使髖關節(jié)擺動并屈伸脊椎

來源：
New Latin
現(xiàn)代拉丁語
from Greek psoa
源自 希臘語 psoa