German grollen

← English growl (cognate)

← Proto-Germanic *gruljaną (inherited)

← Middle High German grollen (inherited)

← Old High German *grollen (inherited)

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

→ English growl (cognate)

→ English grill (cognate)

→ Old English griellan (cognate)

→ German Groll (link)

→ Middle English grillen (cognate)