Where does “birra” come from?

birra (Portuguese) comes from Italian birra, from Dutch bier, from Middle Dutch bier, from Old Dutch bier, from Proto-West Germanic beuʀ, from Proto-Germanic beuzą, from Proto-Indo-European bʰews- — dross, sediment; dross, sediment, brewer's yeast.

birra (Portuguese): obstinacy; an act proper of a spoilt or stubborn...

Definitions

obstinacy; an act proper of a spoilt or stubborn...

Ancestry of “birra”, step by step

birra traces back through two separate lines of ancestry.

via Italian birra

Step	Language	Word	Meaning
1	Italian	birra	beer; beer, glass of beer
2	Dutch	bier	beer; a serving of beer; a variety of beer
3	Middle Dutch	bier	beer
4	Old Dutch	bier	beer
5	Proto-West Germanic	beuʀ	beer
6	Proto-Germanic	beuzą	beer
7	Proto-Indo-European	bʰews-	dross, sediment; dross, sediment, brewer's yeast

via Spanish birria

Step	Language	Word	Meaning
1	Spanish	birria	garbage, junk, slop; birria
2	Vulgar Latin	verrea	—
3	Latin	Verres	boar, male swine
4	Proto-Italic	wersēn	—
5	Proto-Indo-European	wérsēn	virile man; male animal
6	Proto-Indo-European	h₂wers-	to rain, drip; to rain, sprinkle

Words derived from “birra”

Every word from Proto-Indo-European bʰews- →Every word from Proto-Germanic beuzą →Every word from Proto-West Germanic beuʀ →