Where does “Ἄλβις” come from?

Ἄλβις (Ancient Greek) comes from Latin Albis, from Proto-Germanic albī, from Proto-Indo-European h₂ep- — water, body of water.

Ancestry of “Ἄλβις”, step by step

StepLanguageWordMeaning
1LatinAlbis
2Proto-Germanicalbīriver
3Proto-Indo-Europeanh₂ep-water, body of water
Every word from Proto-Indo-European h₂ep-Every word from Latin AlbisEvery word from Proto-Germanic albī