Where does “íne” come from?
íne (Old Irish) comes from Latin ieiunium, from Latin ieiunus, from Proto-Italic jagjūnos, from Proto-Indo-European Hyeh₂ǵ-yu-, from Proto-Indo-European Hyeh₂ǵ-ye/o- — to sacrifice.
íne (Old Irish): fast, period of fasting
Ancestry of “íne”, step by step