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 *ja (this) +‎ *-kъ. Compare *kakъ, *takъ etc.[1]



  1. of this kind
    Synonym: *kakъ
  2. of what/which kind (interrogative, relative)
    Synonym: *kakъ


Derived termsEdit

See alsoEdit


  • East Slavic:
    • Belarusian: які́ (jakí)
    • Rusyn: якы́й (jakŷ́j)
    • Ukrainian: яки́й (jakýj)
  • South Slavic:
    • Old Church Slavonic:
      Old Cyrillic: ꙗкъ (jakŭ)
      Glagolitic: [Term?]
    • Bulgarian: як (jak, strong)
    • Macedonian: јак (jak, strong, fertile)
    • Serbo-Croatian:
      Cyrillic: ја̑к (strong)
      Latin: jȃk (strong)
    • Slovene: jȃk (strong, prominent, neat) (tonal orthography)
  • West Slavic:
    • Czech: jaký
    • Kashubian: jaczi
    • Polabian: joťĕ
    • Polish: jaki
    • Slovak: aký
    • Sorbian:
      • Lower Sorbian: jaki (obsolete)
      • Upper Sorbian: jakny (prominent, strong, good)

Further readingEdit


  1. ^ Antoine Meillet (1934) Общеславянский язык (in Russian), translated from French, 2nd edition, Moscow: Прогресс, published 2001, →ISBN, page 354
  2. ^ Derksen, Rick (2008) , “*akъ”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 28: “prn. ‘such as’”
  3. ^ Olander, Thomas (2001) , “jakъ jaka jako”, in Common Slavic accentological word list, Copenhagen: Editiones Olander: “c (SA 36, 109, 200; PR 139)”