Where does “frosen” come from?

frosen (Middle English) comes from Middle English ifroren, from Middle English fresen, from Old English frēosan, from Proto-West Germanic freusan, from Proto-Germanic freusaną, from Proto-Indo-European prews- — to freeze; frost.

Ancestry of “frosen”, step by step

frosen traces back through two separate lines of ancestry.

via Middle English ifroren

StepLanguageWordMeaning
1Middle Englishifroren—
2Middle EnglishfresenTo freeze; to become frozen or reach freezing...
3Old Englishfrēosanto freeze
4Proto-West Germanicfreusanto freeze
5Proto-Germanicfreusanąto freeze
6Proto-Indo-Europeanprews-to freeze; frost

via Middle English froren

StepLanguageWordMeaning
1Middle Englishfrorenpast participle of fresen
2Old Englishfrorenpast participle of frēosan

Words derived from “frosen”

Every word from Proto-Indo-European prews- →Every word from Proto-Germanic freusaną →Every word from Proto-West Germanic freusan →
frosen — Etymology, Origin & Word History | Etymology Explorer