Where does “গঙ্গা” come from?

গঙ্গা (Assamese) comes from Sanskrit गङ्गा, from Sanskrit गम्, from Proto-Indo-European gʷem- — to step.

Ancestry of “গঙ্গা”, step by step

StepLanguageWordMeaning
1Sanskritगङ्गाthe Ganga; Ganges
2Sanskritगम्to go, move, come
3Proto-Indo-Europeangʷem-to step
Every word from Proto-Indo-European gʷem- →Every word from Sanskrit गम् →Every word from Sanskrit गङ्गा →