noun (plural nineties) Etymology: Middle English ~, adjective, from Old English nigontig, short for hundnigontig, from hundnigontig, noun, group of 90, from hund-, literally, hundred + nigon nine + -tig group of 10; akin to Old English tīen ten Date: before 12th century see: number the numbers 90 to 99, ninetieth adjective or noun ~ adjective ~ pronoun, plural in construction
NINETY
Meaning of NINETY in English
Merriam Webster. Explanatory English dictionary Merriam Webster. Толковый словарь английского языка Мерриам-Уэбстер. 2012