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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