Where does “cétaín” come from?

cétaín (Old Irish) comes from Old Irish aín, from Latin iēiūnium, from Latin iēiūnus, from Latin iaiūnus, from Proto-Italic jagjūnos, from Proto-Indo-European Hyeh₂ǵ-yu-, from Proto-Indo-European Hyeh₂ǵ-ye/o- — to sacrifice.

cétaín (Old Irish): Wednesday

Definitions

  1. Wednesday

Ancestry of “cétaín”, step by step

StepLanguageWordMeaning
1Old Irishaínfasting
2Latiniēiūniumfast (day); fasting
3Latiniēiūnusfasting, abstinent, hungry
4Latiniaiūnus
5Proto-Italicjagjūnos
6Proto-Indo-EuropeanHyeh₂ǵ-yu-
7Proto-Indo-EuropeanHyeh₂ǵ-ye/o-to sacrifice
Every word from Proto-Indo-European Hyeh₂ǵ-ye/o-Every word from Proto-Indo-European Hyeh₂ǵ-yu-Every word from Proto-Italic jagjūnos