Where does “champagne” come from?

champagne (Old French) comes from Late Latin campania, from Latin campus, from Proto-Indo-European kh₂emp-, from Proto-Indo-European kh₂em- — to bend, to curve.

Ancestry of “champagne”, step by step

Step	Language	Word	Meaning
1	Late Latin	campania	open country, battlefield; field; level country
2	Latin	campus	Open flat level ground: a plain, a natural field;...
3	Proto-Indo-European	kh₂emp-	to bend; crooked; to bend, curve
4	Proto-Indo-European	kh₂em-	to bend, to curve

Words derived from “champagne”

Every word from Proto-Indo-European kh₂em- →Every word from Proto-Indo-European kh₂emp- →Every word from Latin campus →