Where does “thundersnow” come from?

thundersnow (English) comes from English snow, from Middle English snow, 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.

thundersnow (English): A thunderstorm accompanied by snow, rather than...

Definitions

  1. A thunderstorm accompanied by snow, rather than...

Ancestry of “thundersnow”, step by step

thundersnow traces back through two separate lines of ancestry.

via English snow

StepLanguageWordMeaning
1EnglishsnowThe frozen, crystalline state of water that falls...
2Middle Englishsnowsnow; snow-white; The temperature where snow...
3Old Englishsnāwsnow
4Proto-West Germanicsnaiwsnow
5Proto-Germanicsnaiwazsnow
6Proto-Indo-Europeansnóygʷʰossnow
7Proto-Indo-Europeansneygʷʰ-to snow

via English thunder

StepLanguageWordMeaning
1EnglishthunderThe loud rumbling, cracking, or crashing sound...
2Middle EnglishthunderAlternative form of thonder
3Old EnglishÞunorthe Anglo-Saxon god of thunder, equivalent to Old Norse Þórr and Old High German Donar
4Proto-West Germanicþunrthunder
5Proto-GermanicÞunrazThor, god of thunder
6Proto-Indo-European(s)ten-to thunder, rustle, rumble, drone, groan; to...
Every word from Proto-Indo-European sneygʷʰ-Every word from Proto-Indo-European snóygʷʰosEvery word from Proto-Germanic snaiwaz