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

Alternative form of *ajьce (“egg”)

Declension

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

	Singular	Dual	Plural
Nominative	*ȃjьko	*ȃjьcě	*ajьkà
Accusative	*ȃjьko	*ȃjьcě	*ajьkà
Genitive	*ȃjьka	*ajьkù	*ajь̀kъ
Locative	*ȃjьcě	*ajьkù	*ajьcě̃xъ
Dative	*ȃjьku	*ajьkomà	*ajьkòmъ
Instrumental	ȃjьkъmь, ȃjьkomь^*	*ajьkomà	*ajьký
Vocative	*ajьko	*ȃjьcě	*ajьkà

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

Descendants

East Slavic:
- Russian: я́йко (jájko) (dialectal)
- Old Ukrainian:
  - 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”)