- u̯ī-k̂m̥t-ī (*su̯ī-k̂m̥t-ī)
- u̯ī-k̂m̥t-ī (*su̯ī-k̂m̥t-ī)English meaning: twentyDeutsche Übersetzung: “zwanzig”Note: Root u̯ī-k̂m̥t-ī (*su̯ī-k̂m̥t-ī): “twenty” derived from Root se- : “reflexive pronoun” + Root (d)ekm̂ ̥, (d)ekm̂ -̥ t, (d)ekû - : “ten”. Hence Root uī̯ -km̂ t̥ -ī (*suī̯ -km̂ t̥ -ī) was previously an attribute noun, earlier an ordinal number created according to Illyr. pattern with Illyr. Alb. -ta adjective formant (see above Alb. numbers from1-10).Note: actually Dual “two decades “ (to IE u̯ī̆- “two” and dk̂m̥t-, above S. 192)Material: O.Ind. viṁśatí-, Av. vīsaiti, Osset. insäi, Arm. k’san, Gk. εἴκοσι, Dor. Fίκατι, Hom. ἐείκοσι for ἐ(F)ί̄κοσι, Alb. zet, Lat. vīginti (see above S. 192), O.Ir. fiche, gen. fichet (*u̯ik̂ṃts, -os), O.Welsh uceint (instead of *gwycaint from dem compound *dou-viceint, Welsh deugaint “40” abstracted), Corn. ugans; Toch. A wiki, В ikǝ.References: WP. I 313, Wackernagel-Debrunner 3, 366 f., WH. II 788 f., Frisk 453 f.
Proto-Indo-European etymological dictionary. 2015.