Where does “[[Opeln]], [[Oppulen]], [[Oppol]]” come from?

[[Opeln]], [[Oppulen]], [[Oppol]] (Middle High German) comes from Old Polish Opole, from French -pole, from Ancient Greek πόλις, from Proto-Hellenic ptólis, from Proto-Indo-European tpólHis, from Proto-Indo-European tpelH- — fortification, city.

Ancestry of “[[Opeln]], [[Oppulen]], [[Oppol]]”, step by step

StepLanguageWordMeaning
1Old PolishOpoleprovince; duty
2French-pole-polis; -poly, related to market or economy
3Ancient Greekπόλιςcity; a whole country, as dependent on and called...
4Proto-Hellenicptóliscity
5Proto-Indo-EuropeantpólHis—
6Proto-Indo-EuropeantpelH-fortification, city

Words derived from “[[Opeln]], [[Oppulen]], [[Oppol]]”

Every word from Proto-Indo-European tpelH- →Every word from Proto-Indo-European tpólHis →Every word from Proto-Hellenic ptólis →