Where does “campanha” come from?

campanha (Old Occitan) comes from Latin campānia, from Latin campus, from Proto-Indo-European kh₂emp-, from Proto-Indo-European kh₂em- — to bend, to curve.

Ancestry of “campanha”, step by step

Step	Language	Word	Meaning
1	Latin	campānia	—
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 “campanha”

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