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

Proto-Indo-European Edit

Alternative forms Edit

Etymology Edit

From *oḱtṓw (eight) +‎ *déḱm̥ (ten).

Numeral Edit

Proto-Indo-European cardinal numbers
 <  70 80 90  > 
    Cardinal : *oḱtódḱomt
    Ordinal : *oḱtodḱm̥tós[2]


  1. eighty

Descendants Edit

References Edit

  1. ^ Sihler, Andrew L. (1995) New Comparative Grammar of Greek and Latin, Oxford, New York: Oxford University Press, →ISBN, page 418
  2. ^ Fortson, Benjamin W. (2004, 2010) Indo-European Language and Culture: An Introduction, Oxford: Blackwell