Where does “Côte” come from?

Côte (French) comes from Middle French costé, from Old French costé, from Latin costātus, from Latin costa, from Proto-Indo-European kost-.

Ancestry of “Côte”, step by step

Step	Language	Word	Meaning
1	Middle French	costé	side
2	Old French	costé	side
3	Latin	costātus	—
4	Latin	costa	a rib; a side, a wall
5	Proto-Indo-European	kost-	—

Côte — Etymology, Origin & Word History | Etymology Explorer