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.


Alternative formsEdit


Underlyingly reflecting Proto-Balto-Slavic *-kias, *-kis, from Proto-Indo-European *-k-yos, formed by agglutination of *-yos (Proto Slavic *-jь, from Proto-Balto-SLavic *-ias) onto the element *-kъ.

Cognate with Lithuanian -kis and Latvian -ķis.


*-čь m

  1. Deverbal, forming agent nouns.
    Synonyms: *-teľь, *-ьcь, *-ьnikъ
    *kopati (to dig)*kopačь (digger)
    *kovati (to forge)*kovačь (smith, blacksmith)
    *běgati (to run)*běgačь (runner)
    *jьgrati (to play)*jьgračь (player)
    *vьrati (to lie)*vьračь (sorcerer, soothsayer, charlatan)
    *pogoniti (to pursue, observe)*pogoničь (drover)
    *roditi (to give birth)*rodičь (father)
    *voditi (to lead)*vodičь (leader)
    *badati\*bodati or *bodti > *bosti (to sting, stab, butt)*bodačь (that which stings, stabs, butts)
  2. Deverbal, forming nomina instrumenti.
    Synonym: *-dlo
    *biti (to beat)*bičь (whip)
    *briti (to shave, cut hair/beard)*bričь (cutting tool, razor)


See alsoEdit

Derived termsEdit

Usage notesEdit


  • After the loss of word-final jer, daughter languages have reinterpreted the thematic ending of the verb -i- and -a- as a part of the suffix itself.
  • In most of the daughters *-ačь merged with the reflex of *-čь which was preceded by the thematic vowel -a.


  • Šekli, Matej (2012), “Besedotvorni pomeni samostalniških izpeljank v praslovanščini”, in Philological Studies[1] (in Slovene), volume 10, issue 1, Skopje, Perm, Ljubljana, Zagreb, pages 115–32
  • Sławski, Franciszek, editor (1974) Słownik prasłowiański (in Polish), volume I, Wrocław: Polska Akademia Nauk, page 102f
  • Halla-aho, Jussi (2006) Problems of Proto-Slavic Historical Nominal Morphology: On the Basis of Old Church Slavic (Slavica Helsingiensia; 26)‎[2], Helsinki: University of Helsinki, page 68