Where does “skeletkapo” come from?

skeletkapo (Esperanto) comes from Esperanto kapo, from Latin capus, from Latin caput, from Proto-Italic kaput, from Proto-Indo-European káput, from Proto-Indo-European kap- — to seize, hold.

skeletkapo (Esperanto): skull

Definitions

skull

Ancestry of “skeletkapo”, step by step

skeletkapo traces back through two separate lines of ancestry.

via Esperanto kapo

Step	Language	Word	Meaning
1	Esperanto	kapo	head; kappa
2	Latin	capus	a bird of prey
3	Latin	caput	head; headlike protuberance on an organ or body...
4	Proto-Italic	kaput	head
5	Proto-Indo-European	káput	head
6	Proto-Indo-European	kap-	to seize, hold

via Esperanto skeleto

Step	Language	Word	Meaning
1	Esperanto	skeleto	skeleton
2	Ancient Greek	σκελετός	dried up, withered; dried body, mummy; skeleton
3	Ancient Greek	σκελλώ	to dry, dry up, to make dry, to parch; dry, dry...
4	Proto-Indo-European	(s)kelh₁-	to parch, wither

Every word from Proto-Indo-European kap- →Every word from Proto-Indo-European káput →Every word from Proto-Italic kaput →