Where does “disnar” come from?

disnar (Old Occitan) comes from Vulgar Latin disiunare, from Classical Latin disieiūnō, from Latin iēiūnō, 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.

Ancestry of “disnar”, step by step

StepLanguageWordMeaning
1Vulgar Latindisiunareto eat breakfast
2Classical Latindisieiūnō
3Latiniēiūnōto fast
4Latiniēiūnusfasting, abstinent, hungry
5Latiniaiūnus
6Proto-Italicjagjūnos
7Proto-Indo-EuropeanHyeh₂ǵ-yu-
8Proto-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