noun, masculine/lak/plural: lacs
lake
Related: Grands Lacs, il n'y a pas le feu au lac, lac Léman, lac Poyang, lac salé
Inherited from Middle French lac, from Old French lac, a replacement of earlier lai (“pit, trench, ditch, grave, mere, pond”) (see Old French lac). Generally inferred as a borrowing of Latin lacus (“lake”), from Proto-Indo-European *lókus (“lake, pool”).