English
thirty
Thirty comes from Middle English thirty, and goes back to Proto-Germanic *þrīz tigiwiz.
- Proto-Germanicc. 500 BCE–200 CE*þrīz tigiwizliterally ‘three tens’reconstructed
- Old Englishc. 450–1150þrītiġ
- Middle Englishc. 1150–1500thirty
- Englishearliest quotation 2009thirty
attested reconstructed ? uncertain or disputed deepest recorded ancestor
Lineage
- Proto-Germanicc. 500 BCE–200 CE*þrīz tigiwizliterally ‘three tens’reconstructed
- Old Englishc. 450–1150þrītiġ
- Middle Englishc. 1150–1500thirty
- Englishearliest quotation 2009thirty
Earliest quotation: 2009, Kenneth Davids, Convenience First: Espresso Pods and Capsules: “To conclude, here in tabular form is a summary…”
Formed from three + -ty
Proto-Indo-European *tréyes
Proto-Germanic *þrīz
Proto-West Germanic *þrīʀ
Old English þrī
Middle English thre
English three
Every English word from Proto-Germanic *þrīz tigiwiz
Today it means
num The cardinal number occurring after twenty-nine and before thirty-one, represented in Arabic numerals as 30.
Language periods are conventional ranges, not dates for this word.
Etymograph / Proto-Germanic *þrīz tigiwiz / thirty