Where does “fáistine” come from?

fáistine (Middle Irish) comes from Old Irish fáithsine, from Old Irish fáith, from Proto-Celtic wātis, from Proto-Indo-European wéh₂tis, from Proto-Indo-European weh₂t- — excited, inspired; possessed, raging.

Ancestry of “fáistine”, step by step

StepLanguageWordMeaning
1Old Irishfáithsineprophecy, augury
2Old Irishfáithseer, soothsayer; prophet
3Proto-Celticwātissoothsayer, prophet
4Proto-Indo-Europeanwéh₂tis—
5Proto-Indo-Europeanweh₂t-excited, inspired; possessed, raging

Words derived from “fáistine”

Every word from Proto-Indo-European weh₂t- →Every word from Proto-Indo-European wéh₂tis →Every word from Proto-Celtic wātis →
fáistine — Etymology, Origin & Word History | Etymology Explorer