English
frosten
From frost + -en.
A compound of frost + -en
Proto-Indo-European *prews- ‘to freeze’
…
Proto-Germanic *frustaz
Proto-West Germanic *frost
Old English frost
Middle English frost ‘Cold or freezing weather’
English frost
Today it means
verb To make or become frosted
Language periods are conventional ranges, not dates for this word.
Etymograph / frosten