n.
Pronunciation: ' ā -t ē
Function: noun
Inflected Form: plural eight · ies
Etymology: Middle English eighty, adjective, from Old English eahtatig, short for hundeahtatig, noun, group of eighty, from hund-, literally, hundred + eahta eight + -tig group of ten; akin to Old English t ī en ten
Date: before 12th century
1 ― see NUMBER table
2 plural : the numbers 80 to 89 specifically : the years 80 to 89 in a lifetime or century
– eight · i · eth \ ' ā -t ē - ə th \ adjective or noun
– eighty adjective
– eighty pronoun, plural in construction