twenty[twen′tē, twen′ē, twun′ē]
Origin of twentyMiddle English twenti ; from Old English twegentig, literally , two tens (akin to German zwanzig, Gothic twai tigjus) ; from twegen, twain + -tig, -ty
- the cardinal number between nineteen and twenty-one; 20; XX
- ☆ Informal a twenty-dollar bill
- The cardinal number equal to 2 × 10.
- twentiesa. A decade or the numbers from 20 to 29: The children are now in their twenties. The temperature dipped into the twenties.b. often Twenties The decade from 20 to 29 in a century.
- A twenty-dollar bill.
Origin of twentyMiddle English, from Old English twēntig; see dwo- in Indo-European roots.
From Middle English twenty, twenti, from Old English twÄ“ntiÄ¡ (â€œtwentyâ€, literally â€œtwo tensâ€), from Proto-Germanic *twaintigiwiz, *twai tigiwiz, an old compound of *twain-/*twai (see two) and *-tigaz/*teguz, equivalent to two +â€Ž -ty, or twain +â€Ž -ty. Cognate with Scots twenty, tuenty (â€œtwentyâ€), West Frisian tweintich (â€œtwentyâ€), Dutch twintig (â€œtwentyâ€), German zwanzig (â€œtwentyâ€), Danish tyve.