Where does “polaire” come from?

polaire (Middle French) comes from Latin polāris, from Latin polus, from Ancient Greek πόλος, from Proto-Indo-European kʷel- — to turn.

Ancestry of “polaire”, step by step

Step	Language	Word	Meaning
1	Latin	polāris	—
2	Latin	polus	pole
3	Ancient Greek	πόλος	pivot, hinge, axis, pole; axis of the celestial...
4	Proto-Indo-European	kʷel-	to turn

polaire — Etymology, Origin & Word History | Etymology Explorer