Where does “Snowdonia” come from?

Snowdonia (English) comes from English Snowdon, from Old English snāw, from Proto-West Germanic snaiw, from Proto-Germanic snaiwaz, from Proto-Indo-European snóygʷʰos, from Proto-Indo-European sneygʷʰ- — to snow.

Ancestry of “Snowdonia”, 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 →
Snowdonia — Etymology, Origin & Word History | Etymology Explorer