Danish hård

← Proto-Germanic *harduz (derived)

← Old Danish harth (derived)

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

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

← Old Norse harðr (derived)

→ Danish knaldhård (affix)

→ Danish benhård (compound)

→ German hart (cognate)

→ Alemannic German hert (cognate)