Norwegian Bokmål isse

← Danish isse (borrowed)

← Proto-Germanic *hersô (derived)

← Old Danish jassæ (derived)

← Old Danish jæssæ (mention)

← Old Danish jessæ (mention)

← Old Danish issæ (mention)

← Proto-Indo-European *ḱerh₂- (root)

← Norwegian Nynorsk hjasse (cognate)

← Old Norse hjarsi (derived)

← Old Norse hjassi (mention)

← Swedish hjässa (cognate)