Where does “腸骨” come from?

腸骨 (Japanese) comes from Japanese 骨, from Sanskrit कपाल, from Proto-Indo-Iranian kapā́las, from Proto-Indo-European káp-ōl-, from Proto-Indo-European kap- — to seize, hold.

腸骨 (Japanese): an ilium

Definitions

an ilium

Ancestry of “腸骨”, step by step

腸骨 traces back through two separate lines of ancestry.

via Japanese 骨

Step	Language	Word	Meaning
1	Japanese	骨	bone; a bone, particularly a covering bone such...
2	Sanskrit	कपाल	skull, cranium; bowl
3	Proto-Indo-Iranian	kapā́las	skull
4	Proto-Indo-European	káp-ōl-	head, bowl
5	Proto-Indo-European	kap-	to seize, hold

via Japanese 腸

Step	Language	Word	Meaning
1	Japanese	腸	the intestines; the large intestines; intestines
2	Japanese	腹	belly

Words derived from “腸骨”

腸肋筋
腸骨尾骨筋

Every word from Proto-Indo-European kap- →Every word from Proto-Indo-European káp-ōl- →Every word from Proto-Indo-Iranian kapā́las →