eighty

Inherited from Middle English eiȝti, eyȝty, eiȝtety, aghty, from Old English hundeahtatiġ, from Proto-Germanic *ahtōutēhundą (“eighty”), equivalent to eight +‎ -ty. Cognate with Scots hechty, auchty (“eighty”), Saterland Frisian tachentich (“eighty”), West Frisian tachtich (“eighty”), Dutch tachtig (“eighty”), Low German tachentig (“eighty”), German achtzig (“eighty”), Swedish åttio (“eighty”), Norwegian åtti (“eighty”), Icelandic áttatíu (“eighty”).

• enPR: āʹti, IPA^(key): /ˈeɪ.ti/
• (US) IPA^(key): [ˈ(ʔ)eɪ̯ɾi]

• Audio (US):

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• Rhymes: -eɪti

eighty

2. The cardinal number occurring after seventy-nine and before eighty-one, represented in Roman numerals as LXXX and in Arabic numerals as 80.

   Synonym: fourscore (archaic)

   • 2025 September 19, Peter Charalambous, “Judge tosses Trump's $15B defamation suit against New York Times, Penguin Random House”, in ABC News‎^[1], archived from the original on 20 September 2025:

     Merryday, who was appointed by President Geroge^[sic] H. W. Bush, said the complaint contains eighty pages of repetitive claims and praise for President Trump, but fails to establish the two counts of defamation alleged.

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