Where does “kapaŭskultiloj” come from?

kapaŭskultiloj (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.

kapaŭskultiloj (Esperanto): headphones

Definitions

headphones

Ancestry of “kapaŭskultiloj”, step by step

kapaŭskultiloj 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 aŭskulti

Step	Language	Word	Meaning
1	Esperanto	aŭskulti	to listen
2	Latin	ausculto	I listen, I hear; I heed, I accept, I obey
3	Proto-Italic	*auskoltā	—

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