Where does “ieiūnāre” come from?
ieiūnāre (Latin) comes 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 “ieiūnāre”, step by step