The story
- Proto-Indo-European*prews-
- Proto-Indo-European*prustós
- Proto-Germanic*frustaz
- Proto-West Germanic*frost
- Old Englishfrost
- Middle Englishfrost
- Englishfrost
- English todayfrostwork
Etymology from Wiktionary, CC BY-SA 4.0.
Today it means: Any naturally occurring intricate pattern of ice crystals. Full definition →
Etymology from Wiktionary, CC BY-SA 4.0.