Ancient Greek πτόλις

← Proto-Hellenic *ptólis (inherited)

← Proto-Indo-European *tpelH- (root)

← Proto-Indo-European *tpólHis (inherited)

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

→ Ancient Greek πόλις (mention)

→ Ancient Greek πτολίεθρον (mention)

→ Ancient Greek πτολίπορθος (affix)

→ Sanskrit पुर् (cognate)

→ Old Armenian քաղաք (mention)