Latin pius

← Old English fǣle (cognate)

← Proto-Indo-European *pewH- (root)

← Proto-Indo-European (derived)

← Proto-Indo-European *pewH- (mention)

← Proto-Italic *pwījos (derived)

→ English impiety (mention)

→ English piacularity (mention)

→ English Piarist (mention)

→ Spanish pío (borrowed)

→ French pieux (inherited)

→ Middle French pieux (inherited)

→ Italian pio (inherited)

→ Latin Pius (mention)

→ Latin pio (mention)

→ Latin impius (affix)

→ Latin pietas (suffix)

→ Dutch Pia (mention)

→ Norman pieux (inherited)

→ Portuguese pio (derived)