Where does “flor” come from?

flor (English) comes from Spanish flor, from Old Spanish flor, from Latin [[flōs]], [[flōrem]].

flor (English): A film of yeast that develops on the surface of...

Definitions

Step	Language	Word	Meaning
1	Spanish	flor	flower; bloom, blossom; best, finest, pick
2	Old Spanish	flor	flower
3	Latin	[[flōs]], [[flōrem]]	—

flor — Etymology, Origin & Word History | Etymology Explorer