Where does “agrume” come from?

agrume (Italian) comes from Medieval Latin acrumen, from Latin acer, from Proto-Italic akris, from Proto-Indo-European *h₂eḱrós, from Proto-Indo-European h₂eḱ- — sharp.

agrume (Italian): citrus

Definitions

citrus

Ancestry of “agrume”, step by step

Step	Language	Word	Meaning
1	Medieval Latin	acrumen	—
2	Latin	acer	sharp, sour, bitter, pungent; keen, sharp, acute,...
3	Proto-Italic	akris	sharp; sour-tasting
4	Proto-Indo-European	*h₂eḱrós	—
5	Proto-Indo-European	h₂eḱ-	sharp

Words derived from “agrume”

agrumicoltura
agrumicoltore
agrumicolo
agrumeto
spremiagrumi
agrumiculture
agrume
agrumi
agrumi

Every word from Proto-Indo-European h₂eḱ- →

agrume — Etymology, Origin & Word History | Etymology Explorer