Where does “ayunar” come from?
ayunar (Asturian) comes from Vulgar Latin aiuno, 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.
ayunar (Asturian): to fast
Ancestry of “ayunar”, step by step