Where does “bigorna” come from?

bigorna (Portuguese) comes from Vulgar Latin *bicŏrnĭa, from Latin bicornis, from Latin -is, from Latin -a, from Proto-Italic -ā, from Proto-Indo-European -éh₂.

bigorna (Portuguese): anvil

Definitions

anvil

Ancestry of “bigorna”, step by step

Step	Language	Word	Meaning
1	Vulgar Latin	*bicŏrnĭa	—
2	Latin	bicornis	two-horned; two-pronged
3	Latin	-is	suffixed to the root of nouns in composition,...
4	Latin	-a	suffixed to the roots of verbs, forms agent...
5	Proto-Italic	-ā	Forms masculine agent nouns from prefixed or compounded bases
6	Proto-Indo-European	-éh₂	—

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