eighty
The origin and history of eighty.
Etymology
Inherited from Middle English eightety, eiȝti, eiȝtety, 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”).