wīkm̥tī- / Indo-European roots

wīkm̥tī-

Twenty.

Compound of wi-, in half, hence two, and *(d)km̥t-ī (nominative dual), decade, reduced zero-grade form of dekm̥. Oldest form *wīk̑m̥tī-, becoming *wīkm̥tī- in centum languages.
1. vicenary, vigesimal, vigintillion from Latin vīgintī, twenty.
2. eicosanoid, eicosapentaenoic acid, icosahedron from Greek eikosi, twenty.
3. pachisi from Sanskrit viṁśatiḥ, twenty.

[Pokorny u̯ī-k̑m̥t-ī 1177.]



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