A part
腰
Shown as a part of 1 word so far, read one way.
こし 1 word
- 腰掛けるこしかけるto sit (down)
腰掛ける · here “hips, lower back”
Also written with 腰
These words contain the character in their spelling but show no breakdown that names it, so nothing is claimed about its role in them.