Arinbjarnarfossnafnorð karlkyn · ÖrnefniFallbeygingarEt.eintalaFt.fleirtalaEintalaNf.nefnifallArinbjarnarfossÞf.þolfallArinbjarnarfossÞgf.þágufallArinbjarnarfossiEf.eignarfallArinbjarnarfoss