frorn
Frozen; intensely cold; frosty.
archaic
But consyderyng we be so surely ascertayned of the lacke therof, and that our bloud is there frorne with the cold ayre of Scotlande, there was neuer prynce more vyolently compelled to warre then we be, […]
Where it comes from
From Middle English froren, from Old English froren, ġefroren (“frozen”), from Proto-West Germanic *froʀan, from Proto-Germanic *fruzanaz (“frozen”), past participle of Proto-Germanic *freusaną (“to freeze”). Doublet of frore and frozen. Cognate with Dutch gevroren (“frozen”), German Low German froren (“frozen”), German gefroren (“frozen”).
Adapted from the Wiktionary entry frorn (CC BY-SA 4.0).