Meaning

noun ice crystals forming a white deposit (especially on objects outside)

noun weather cold enough to cause freezing

noun the formation of frost or ice on a surface

originEtymology tree Proto-Indo-European *prews- Proto-Indo-European *-tós Proto-Indo-European *prustós Proto-Germanic *frustaz Proto-West Germanic *frost Old English frost Middle English frost English frost From Middle English frost, from an unmetathesized variant of Old English forst (“frost”), from Proto-Germanic *frustaz (“frost”), from Proto-Indo-European *prews- (“to freeze; frost”). Cognate with…

Etymology from Wiktionary, CC BY-SA 3.0