Westrobothnian rugu

← English dandruff (cognate)

← Proto-Germanic *hreubaz (derived)

← Gutnish rugä (cognate)

← Gutnish räuä (mention)

← Proto-Indo-European (derived)

← Proto-Indo-European *krewp- (mention)

← Old Norse hrufa (inherited)

← Old Norse hrjúfr (mention)