Where does “Filadelfia” come from?

Filadelfia (Polish) comes from Latin Philadelphia, from Ancient Greek Φιλαδέλφεια, from Ancient Greek Φιλάδελφος, from Ancient Greek φιλέω, from Ancient Greek ἀτέλεια, from Ancient Greek ἀ-, from Proto-Hellenic hə-, from Proto-Indo-European sm̥- — together, one.

Ancestry of “Filadelfia”, step by step

StepLanguageWordMeaning
1LatinPhiladelphia
2Ancient GreekΦιλαδέλφειαPhiladelphia, the name of a number of Ancient cities
3Ancient GreekΦιλάδελφοςbrother-loving
4Ancient GreekφιλέωI love, like, regard highly; I treat kindly,...
5Ancient Greekἀτέλειαexemption from public burdens, immunity
6Ancient Greekἀ-The alpha privativum, used to make words that...
7Proto-Hellenichə-same; together
8Proto-Indo-Europeansm̥-one; with, together
9Proto-Indo-Europeansem-together, one

Words derived from “Filadelfia

Every word from Proto-Indo-European sem-Every word from Ancient Greek ἀ-Every word from Ancient Greek ἀτέλεια