Where does “Snowden” come from?

Snowden is an English place name of uncertain origin, possibly derived from Old English elements but with no established etymological chain.

Ancestry of “Snowden”, step by step

StepLanguageWordMeaning
1EnglishSnowdonA placename
2Old Englishsnāwsnow
3Proto-West Germanicsnaiwsnow
4Proto-Germanicsnaiwazsnow
5Proto-Indo-Europeansnóygʷʰossnow
6Proto-Indo-Europeansneygʷʰ-to snow
Every word from Proto-Indo-European sneygʷʰ- →Every word from Proto-Indo-European snóygʷʰos →Every word from Proto-Germanic snaiwaz →