This Proto-Indo-European entry contains reconstructed words and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.


Alternative reconstructionsEdit


From earlier *dwidḱómt, with loss of initial *d- and compensatory lengthening, from *dwi- (two) +‎ *déḱm̥ (ten). The change from *wīdḱómt- > wīḱm̥t- was in analogy to *déḱm̥ (ten).


Proto-Indo-European cardinal numbers
 <  10 20 30  > 
    Cardinal : *wídḱm̥ti


  1. twenty



  1. ^ Ringe, Donald (2006) From Proto-Indo-European to Proto-Germanic (A Linguistic History of English; 1), Oxford: Oxford University Press, →ISBN, page 205
  2. ^ Beekes, Robert S. P. (2011) Comparative Indo-European Linguistics: An Introduction, revised and corrected by Michiel de Vaan, 2nd edition, Amsterdam, Philadelphia: John Benjamins Publishing Company, page 238
  3. ^ Adams, Douglas Q. (2013), “ikante”, in A Dictionary of Tocharian B: Revised and Greatly Enlarged (Leiden Studies in Indo-European; 10), Amsterdam, New York: Rodopi, →ISBN, page 66
  4. ^ De Vaan, Michiel (2008), “vīgintī”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, page 678
  5. ^ Sihler, Andrew L. (1995) New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press, →ISBN, page 418