Reconstruction:Proto-Slavic/ajьko

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

Originally a diminutive form of *ȃje (“egg”) +‎ *-ьko (prior to Slavic progressive palatalization) or *-ъko.

Noun

*ȃjьko n

1. Alternative form of *ajьce (“egg”)

Declension

Declension of *ȃjьko (hard o-stem, accent paradigm c)

	singular	dual	plural
nominative	*ȃjьko	*ȃjьcě	*ajьkà
genitive	*ȃjьka	*ajьkù	*ajь̀kъ
dative	*ȃjьku	*ajьkomà	*ajьkòmъ
accusative	*ȃjьko	*ȃjьcě	*ajьkà
instrumental	*ȃjьkъmь, *ȃjьkomь*	*ajьkomà	*ajьký
locative	*ȃjьcě	*ajьkù	*ajьcě̃xъ
vocative	*ajьko	*ȃjьcě	*ajьkà

^* -ъmь in North Slavic, -omь in South Slavic.

Descendants

• East Slavic:
  • Russian: я́йко (jájko) (dialectal)
  • Old Ukrainian:
    • Carpathian Rusyn: я́йко (jájko), я́иско (jáysko)
    • Ukrainian: я́йко (jájko)
• West Slavic:
  • Czech: vajko (Moravian), jajko (dialectal)
  • Polish: jajko
  • Slovak: vajko
  • Sorbian:
    • Lower Sorbian: jajko (“easter egg”)
    • Upper Sorbian: jejko (“testicle”)

Further reading

• Trubachyov, Oleg, editor (1974), “*ajьko”, in Этимологический словарь славянских языков [Etymological dictionary of Slavic languages] (in Russian), issue 1 (*a – *besědьlivъ), Moscow: Nauka, page 64