Old Saxon friosan

← Old English frēosan (cognate)

← Proto-Germanic *freusaną (inherited)

← Proto-West Germanic *freusan (inherited)

← Old High German friosan (cognate)

← Proto-Indo-European *prews- (derived)

← Old Norse frjósa (cognate)

→ Old English freosan (cognate)

→ Old High German friosan (cognate)

→ Low German fresen (inherited)