< Reconstruction:Proto-Slavic

Reconstruction:Proto-Slavic/perъka

This Proto-Slavic entry contains reconstructed terms and roots. As such, the term(s) in this entry are not directly attested, but are hypothesized to have existed based on comparative evidence.

Proto-Slavic

Alternative reconstructions
  • *pьrъka

Etymology

Formed either from the verb *pьrati (“to fly, to propagate”) +‎ *-ъka or from the noun *pero (“feather”) +‎ *-ъka.

Noun

*perъka f

  1. propeller
  2. fin (of fish), paddle

Inflection
Declension of *perъka (hard a-stem)
singular dual plural
nominative *perъka *perъcě *perъky
genitive *perъky *perъku *perъkъ
dative *perъcě *perъkama *perъkamъ
accusative *perъkǫ *perъcě *perъky
instrumental *perъkojǫ, *perъkǫ** *perъkama *perъkami
locative *perъcě *perъku *perъkasъ, *perъkaxъ*
vocative *perъko *perъcě *perъky
* -asъ is the expected Balto-Slavic form but is found only in some Old Czech documents; -axъ is found everywhere else and is formed by analogy with other locative plurals in -xъ.
** The second form occurs in languages that contract early across /j/ (e.g. Czech), while the first form occurs in languages that do not (e.g. Russian).
  • *pero (“feather”)
  • *pьrati (“to propel”)
  • *pьrxati (“to flutter (wings)”)

Derived terms
  • *perъkati (“to flap (fins), to slam”)

Descendants
  • East Slavic:
    • Russian: пёрка (pjórka, “driller”)
  • South Slavic:

Further reading
  • Vasmer, Max (1964–1973) “пёрка”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
  • Duridanov, I. V., Racheva, M., Todorov, T. A., editors (1996), “перка”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volumes 5 (падѐж – пỳска), Sofia: Prof. Marin Drinov Pubg. House, →ISBN, page 174
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