Where does “caveira” come from?

caveira (Portuguese) comes from Old Portuguese caaveyra, from Latin calavaria, from Latin calvāria, from Latin calva, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.

caveira (Portuguese): skull

Definitions

skull

Ancestry of “caveira”, step by step

Step	Language	Word	Meaning
1	Old Portuguese	caaveyra	—
2	Latin	calavaria	—
3	Latin	calvāria	a skull
4	Latin	calva	the bald scalp of the head; skull;...
5	Latin	-a	suffixed to the roots of verbs, forms agent...
6	Proto-Italic	-ā	Forms masculine agent nouns from prefixed or compounded bases
7	Proto-Indo-European	-éh₂	—

Words derived from “caveira”

caveirão

Every word from Proto-Indo-European -éh₂ →Every word from Latin -a →Every word from Latin calva →