This Proto-Slavic 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.



From Proto-Balto-Slavic *dein-/*din-, from Proto-Indo-European (see *dyew-):

Baltic cognates include Lithuanian dienà (day), Latvian dìena (day), Old Prussian dēinā (day) (Asg. deinan).

Indo-European cognates include Sanskrit दिन (dina, day), Latin nun-dina (market day), Old Irish denus (spatium temporis), Proto-Germanic *tīnaz (day), Albanian ditë (day) (< *din-të). From the *dyew- root, Latin diēs (day), Old Irish die (day), Old Armenian տիւ (tiw, day, daytime), Albanian di.


*dь̏nь m[1][2]

  1. day


Accent paradigm c.

Derived termsEdit


  • East Slavic:
    • Old East Slavic: дьнь (dĭnĭ), дьнъ (dĭnŭ), день (denĭ)

Further readingEdit

  • Vasmer, Max (1964–1973) , “день”, in Etimologičeskij slovarʹ russkovo jazyka [Etymological Dictionary of the Russian Language] (in Russian), translated from German and supplemented by Oleg Trubačóv, Moscow: Progress
  • Černyx, P. Ja. (1999) , “день”, in Istoriko-etimologičeskij slovarʹ russkovo jazyka [Historical-Etymological Dictionary of the Russian Language] (in Russian), volume 1, 3rd reprint edition, Moscow: Russkij jazyk, page 241
  • Trubačóv, Oleg, editor (1978) , “*dьnь”, in Etimologičeskij slovarʹ slavjanskix jazykov [Etymological dictionary of Slavic languages] (in Russian), volume 05, Moscow: Nauka, page 213


  1. ^ Derksen, Rick (2008) , “*dь̑nь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 134: “m. n (c) ‘day’”
  2. ^ Olander, Thomas (2001) , “dьnь”, in Common Slavic accentological word list, Copenhagen: Editiones Olander: “c (OSA 210; PR 138)”