Where does “Ganges” come from?

Ganges (Polish) comes from Latin Gangēs, from Ancient Greek Γάγγης, from Ancient Greek -ής, from Proto-Indo-European -ēs, from Proto-Indo-European -ess, from Proto-Indo-European -os — Creates action nouns or result nouns from verbs;...

Ancestry of “Ganges”, step by step

StepLanguageWordMeaning
1LatinGangēsthe Ganges
2Ancient GreekΓάγγηςGanges
3Ancient Greek-ήςadjective suffix
4Proto-Indo-European-ēsPrimarily forms adjectival bahuvrīhi compounds
5Proto-Indo-European-ess—
6Proto-Indo-European-osCreates action nouns or result nouns from verbs;...
Every word from Proto-Indo-European -os →Every word from Ancient Greek -ής →Every word from Ancient Greek Γάγγης →