Where does “aiuno” come from?

aiuno (Vulgar Latin) comes from Late Latin ieiuno, 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 “aiuno”, step by step

StepLanguageWordMeaning
1Late Latinieiunoto fast; I fast
2Latiniēiūnusfasting, abstinent, hungry
3Latiniaiūnus
4Proto-Italicjagjūnos
5Proto-Indo-EuropeanHyeh₂ǵ-yu-
6Proto-Indo-EuropeanHyeh₂ǵ-ye/o-to sacrifice

Words derived from “aiuno

Every word from Proto-Indo-European Hyeh₂ǵ-ye/o-Every word from Proto-Indo-European Hyeh₂ǵ-yu-Every word from Proto-Italic jagjūnos