Where does “fibronectina” come from?

fibronectina (Italian) comes from Italian fibro-, from Italian fibra, from Spanish fibra, from Portuguese fibra, from Latin fibra, from Proto-Indo-European bʰeyd-, from Proto-Indo-European bʰey- — bee.

fibronectina (Italian): fibronectin

Definitions

fibronectin

Ancestry of “fibronectina”, step by step

Step	Language	Word	Meaning
1	Italian	fibro-	fibro
2	Italian	fibra	fiber, fibre
3	Spanish	fibra	fiber; fiber; dietary fiber; fiberglass
4	Portuguese	fibra	fibre
5	Latin	fibra	fiber, filament
6	Proto-Indo-European	bʰeyd-	to split
7	Proto-Indo-European	bʰey-	bee

Every word from Proto-Indo-European bʰey- →Every word from Proto-Indo-European bʰeyd- →Every word from Latin fibra →