The story
- Proto-Indo-European*sneygʷʰ-
- Proto-Indo-European*snóygʷʰos
- Proto-Germanic*snaiwaz
- Proto-West Germanic*snaiw
- Old Englishsnāw
- Middle Englishsnow
- Englishsnow
- English todaySnowmageddon
From snow + -mageddon or a blend of snow + Armageddon, popularized by Barack Obama in 2010.
Etymology from Wiktionary, CC BY-SA 4.0.