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.^[1]

Noun

*ȃjьko n

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:
- Old East Slavic: *ꙗико (*jaiko)
  - Old Ruthenian: *ꙗйко (*jajko)
    - Carpathian Rusyn: я́йко (jájko), я́иско (jáysko)
    - Ukrainian: я́йко (jájko)
  - Russian: я́йко (jájko) (dialectal)
West Slavic:
- Czech: vajko (Moravian); jajko (dialectal)
- Kashubian: jôjkò
- Polish: jajko
- Slovak: vajko
- Sorbian:
  - Lower Sorbian: jajko (especially “Easter egg”)
  - Upper Sorbian: jejko (especially “Easter egg”)

References

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

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

[1]