Danish egern

← Proto-Germanic *aikwernô (derived)

← Proto-Indo-European *wer- (derived)

← Old Norse íkorni (derived)

→ Danish bæveregern (compound)

→ Danish egernbestand (compound)

→ German Eichhörnchen (cognate)

→ Middle English acquerne (cognate)

→ Norwegian Bokmål ekorn (derived)