vinegar

Từ điển Oxford Advanced Learner 8th

vin·egar [vinegar vinegars] BrE [ˈvɪnɪɡə(r)] NAmE [ˈvɪnɪɡər] noun uncountable
a liquid with a bitter taste made from ↑malt (= a type of grain) or wine, used to add flavour to food or to preserve it
•malt/wine vinegar
•onions pickled in vinegar
see also ↑balsamic vinegar

Word Origin:
Middle English: from Old French vyn egre, based on Latin vinum ‘wine’ + acer ‘sour’.