Reconstruction:Proto-Slavic/sojьka

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

Etymology

Diminutive of *soja +‎ *-ъka.

Noun

*sòjьka f

1. Alternative form of *soja

Declension

Declension of *sojьka (hard a-stem)

	singular	dual	plural
nominative	*sojьka	*sojьcě	*sojьky
genitive	*sojьky	*sojьku	*sojьkъ
dative	*sojьcě	*sojьkama	*sojьkamъ
accusative	*sojьkǫ	*sojьcě	*sojьky
instrumental	*sojьkojǫ, *sojьkǫ**	*sojьkama	*sojьkami
locative	*sojьcě	*sojьku	*sojьkasъ, *sojьkaxъ*
vocative	*sojьko	*sojьcě	*sojьky

^* -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).

Derived terms

• *obsojьka (“jay”)

Descendants

• East Slavic:
  • Russian: со́йка (sójka)
• South Slavic:
  • Bulgarian: со́йка (sójka), dial. осо́йка (osójka)
    • → Romanian: zaică
  • Macedonian: сојка (sojka), dial. осојка (osojka)
  • Serbo-Croatian:

    Cyrillic script: со̑јка, шо̑јка, dial. осојка

    Latin script: sȏjka, šȏjka, dial. osojka

• West Slavic:
  • Old Czech: sojka
    • Czech: sojka
      • Bohemian (Chod dialect): sojka
  • Kashubian: sójka
  • Old Polish: sojka
    • Polish: sójka
  • Slovak: sojka

Further reading

• Vasmer, Max (1964–1973) “соя”, in Oleg Trubachyov, transl., Этимологический словарь русского языка [Etymological Dictionary of the Russian Language] (in Russian), Moscow: Progress
• Trubachyov, Oleg, editor (2002), “*obsojьka II”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), numbers 29 (*obpovědati – *obsojьnica), Moscow: Nauka, →ISBN, page 253
• Todorov, T. A., Racheva, M., editors (2010), “сойка¹”, in Български етимологичен речник [Bulgarian Etymological Dictionary] (in Bulgarian), volumes 7 (слòво – теря̀свам), Sofia: Prof. Marin Drinov Pubg. House, →ISBN, page 286