Where does “cappellaio” come from?

cappellaio (Italian) comes from Italian cappello, from Medieval Latin capellus, from Medieval Latin cappa, from Latin capitulare, from Latin caput, from Proto-Italic kaput, from Proto-Indo-European káput, from Proto-Indo-European kap- — to seize, hold.

cappellaio (Italian): hatter

Definitions

hatter

Ancestry of “cappellaio”, step by step

Step	Language	Word	Meaning
1	Italian	cappello	hat
2	Medieval Latin	capellus	—
3	Medieval Latin	cappa	cape, sleeveless coat
4	Latin	capitulare	head tax
5	Latin	caput	head; headlike protuberance on an organ or body...
6	Proto-Italic	kaput	head
7	Proto-Indo-European	káput	head
8	Proto-Indo-European	kap-	to seize, hold

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