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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-Indo-European *kost-, supposedly connected with *h₃ost-. Compare Latin costa (rib).

Alternatively, from Proto-Indo-European *kes- (to cut) with semantic development ‘stabbed corpse’ > ‘dead body’ > ‘remnants’ > ‘bones’.[1]


*kȍstь f[2][3]

  1. bone


Derived terms[edit]


Further reading[edit]

  • Vasmer, Max (1964–1973), “кость”, in Etimologičeskij slovarʹ russkovo jazyka [Etymological Dictionary of the Russian Language] (in Russian), translated from German and supplemented by Oleg Trubačóv, Moscow: Progress
  1. ^ А. С. Мельничук, Корень *kes- и его разновидности в лексике славянских и других индоевропейских языков. Этимология 1966, Moscow.
  2. ^ Derksen, Rick (2008), “*kȏstь”, in Etymological Dictionary of the Slavic Inherited Lexicon (Leiden Indo-European Etymological Dictionary Series; 4), Leiden, Boston: Brill, →ISBN, page 239: “f. i (c) ‘bone’”
  3. ^ Olander, Thomas (2001), “kostь kosti”, in Common Slavic accentological word list, Copenhagen: Editiones Olander: “f. b (IRU 89, 94); c (SA 139, 199; PR 138)”