Where does “clair” come from?

clair (Scots) comes from Middle English clere, from Old French cler, from Latin clārus, from Proto-Indo-European ḱelh₁- — to warm up, to be hot; to warm up, be hot.

clair (Scots): Clear

Definitions

Clear

Ancestry of “clair”, step by step

Step	Language	Word	Meaning
1	Middle English	clere	Alternative spelling of cler
2	Old French	cler	bright, well-lit, not dark; clear
3	Latin	clārus	clear, bright
4	Proto-Indo-European	ḱelh₁-	to warm up, to be hot; to warm up, be hot

Every word from Proto-Indo-European ḱelh₁- →Every word from Latin clārus →Every word from Old French cler →