tuǐ

hip bone

old variant of 腿[tui3]

flesh (⺼) + retreat (退) = the leg

退 means to retreat or step back, which fits perfectly: the leg is the body part that physically carries you backward. The flesh radical grounds it in anatomy.

+退
FleshSemantic
退To retreatSemantic

Words with 腿

O型腿

o xíng tuǐ

bow legs; bow-leggedness

金华火腿

jīn huá huǒ tuǐ

Jinhua ham

双腿

shuāng tuǐ

legs

鸡腿

jī tuǐ

chicken leg

鸡腿菇

jī tuǐ gū

shaggy ink cap (edible mushroom)

飞毛腿

fēi máo tuǐ

swift feet

鬼扯腿

guǐ chě tuǐ

unable to restrain oneself

黄腿渔鸮

huáng tuǐ yú xiāo

(bird species of China) tawny fish owl (Ketupa flavipes)

裤腿

kù tuǐ

trouser leg

蜜大腿

mì dà tuǐ

(coll.) curvaceous thighs (loanword from Korean)

二郎腿

èr láng tuǐ

one leg over the other (legs crossed)

假腿

jiǎ tuǐ

false leg

More characters with ⺼