Where does “fíadnuisi” come from?

fíadnuisi (Middle Irish) comes from Old Irish fíadnisse — witness, testimony.

Ancestry of “fíadnuisi”, step by step

StepLanguageWordMeaning
1Old Irishfíadnissewitness, testimony

Words derived from “fíadnuisi

Every word from Old Irish fíadnisse
fíadnuisi — Etymology, Origin & Word History | Etymology Explorer