Proto-Indo-European *pes-

→ English penis (derived)

→ Old English fæsl (derived)

→ Danish penis (derived)

→ German Fasel (derived)

→ Irish péineas (derived)

→ Ancient Greek πέος (inherited)

→ Ancient Greek ψάω (mention)

→ Dutch penis (derived)

→ Sanskrit पसस् (root)

→ Sanskrit पसस् (inherited)