Old Norse svarmr

← Old English swearm (cognate)

← Proto-Germanic *swarmaz (inherited)

← Old High German swarm (cognate)

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

→ Old English swearm (cognate)

→ Danish sværm (derived)

→ Old Swedish sværmber (inherited)

→ Norwegian Bokmål sverm (derived)

→ Norwegian Nynorsk sverm (derived)

→ Old Norse Sverrir (mention)

→ Swedish svärm (inherited)