The story
- Proto-Indo-European*ḱem-?
- Proto-Indo-European*ḱens-
- Proto-Hellenic*kónsmos
- Ancient Greekκόσμος (kósmos)
- Englishcosmo-
- Proto-Indo-European*tpelH-
- Proto-Hellenic*ptólis
- Ancient Greekπόλις (pólis)
- English todaycosmopolis
Etymology from Wiktionary, CC BY-SA 4.0.