Italian felice

← Proto-Indo-European *dʰeh₁-lw-i (derived)

← Proto-Indo-European *dʰeh₁(y)- (mention)

← Latin felix (borrowed)

→ Esperanto feliĉa (derived)

→ Ido felica (derived)

→ Italian felicità (affix)

→ Italian felicemente (affix)

→ Italian felicissimo (affix)