Meaning

noun a particular instance of selling

noun the general activity of selling

noun an occasion (usually brief) for buying at specially reduced prices

originFrom Middle English sale, sal, from Old English sæl (“room, hall, castle”), from Proto-Germanic *salą (“house, hall”), from Proto-Indo-European *sel- (“home, dwelling, village”). Cognate with West Frisian seal, Dutch zaal, German Saal, Swedish sal, Icelandic salur, Lithuanian sala (“village”). Doublet of sala and salle. Related also to salon, saloon.

Etymology from Wiktionary, CC BY-SA 3.0