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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 *kas + a particle *-to. Further from Proto-Indo-European *kʷos.



  1. who (interrogative)


Alternative forms[edit]

Derived terms[edit]

Related terms[edit]

See also[edit]


  • East Slavic:
    • Old East Slavic: къто (kŭto)

Further reading[edit]


  1. ^ Derksen, Rick (2008), “*kъto”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 264: “prn. ‘who’”
  2. ^ Olander, Thomas (2001), “kъto čьto”, in Common Slavic accentological word list, Copenhagen: Editiones Olander: “c (SA 36; PR 139)”
  3. ^ Snoj, Marko (2016), “kdọ̄”, in Slovenski etimološki slovar3 (in Slovene), “*kъ̏to”
  4. ^ Bulyka, A. M., editor (1997), “кто”, in Гістарычны слоўнік беларускай мовы [Historical Dictionary of the Belarusian Language] (in Belarusian), issue 16: коржъ – лесничанка, Minsk: Belaruskaia navuka, →ISBN, page 203
  5. ^ Hrynchyshyn, D. H., editor (1977), “къто”, in Словник староукраїнської мови XIV–XV ст. [Dictionary of the Old Ukrainian Language: 14–15th cent.] (in Ukrainian), volume 1: А – М, Kyiv: Naukova Dumka, page 521