thirty

Definition

The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.

Etymology

From Middle English thirty, metathetic alternant of Middle English thriti, þrittiȝ, from Old English þrītiġ (“thirty”), from Proto-Germanic *þrīz tigiwiz (“thirty”, literally “three tens”), equivalent to three + -ty. Cognate with Scots therty, tretty (“thirty”), West Frisian tritich (“thirty”), Dutch dertig (“thirty”), German dreißig (“thirty”).

Example Sentences

• "To conclude, here in tabular form is a summary of our ratings of espressos produced from thirty pod, capsule and disc blends."