Ancient Greek Φιλαδέλφεια

← Ancient Greek Φιλάδελφος (link)

← Ancient Greek φιλέω (link)

← Ancient Greek ἀδελφός (link)

→ English Philadelphia (borrowed)

→ Japanese フィラデルフィア (learned borrowing)

→ Latin Philadelphia (borrowed)

→ Pennsylvania German Filadelfi (derived)