← All surnamesRosumavičiusROSUMÃVIČIUSEtymologyCf. Rósum, Rãzum (see). Feminine FORMSRosumavičienė / RosumavičiūtėPronunciation/roːsʊ²ˈmɑːʋʲɪt͡ʃʲʊ̟s/SEE ALSORosumas