Irish fiann

← Old English wynn (cognate)

← Proto-Celtic *wēnos (inherited)

← Irish fine (cognate)

← Proto-Indo-European *wenh₁- (derived)

← Latin vēnor (cognate)

← Old Norse vinr (cognate)

← Old Irish fíann (inherited)

→ English Fianna Fáil (mention)

→ Irish Fianna Fáil (mention)