Save Type Surname Usage Lao Scripts ດວງສະຫວັນ(Lao) Pronounced Pron. /dua̯ːŋ.sá.ˈwǎn/ [key·simplify] Meaning & History From Lao ດວງ (douang) meaning "circle, sphere" and ສະຫວັນ (savanh) meaning "heaven".