Proto-Indo-European *pró

→ Kamkata-viri pāćeř (inherited)

→ Welsh rhy (inherited)

→ Ancient Greek πρό (derived)

→ Ancient Greek πρωΐ (mention)

→ Ancient Greek πρῷρα (inherited)

→ Ancient Greek πρόσω (derived)

→ Norwegian Bokmål provocatus (mention)

→ Norwegian Bokmål abortus provocatus (mention)

→ Russian про (inherited)

→ Albanian parë (mention)

→ Ukrainian про (inherited)