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 reconstructions edit

Etymology edit

Possibly from *dʰeǵʰ- (day), whence perhaps Proto-Germanic *dagaz.

Adverb edit


  1. yesterday

Derived terms edit

Descendants edit

  • Proto-Albanian: *de (see there for further descendants)
  • Proto-Hellenic: *kʰtʰés
  • Proto-Indo-Iranian: *ȷ́ʰyás (see there for further descendants)
  • Proto-Germanic: *gēz (see there for further descendants)

References edit

  1. 1.0 1.1 De Vaan, Michiel (2008) “heri”, in Etymological Dictionary of Latin and the other Italic Languages (Leiden Indo-European Etymological Dictionary Series; 7), Leiden, Boston: Brill, →ISBN, page 283:PIt. *χes-i. PIE *ǵʰ-di-es 'yesterday'