Save Type Surname Usage Lao Scripts ແສງສະຫວ່າງ(Lao) Pronounced Pron. /sɛ̌ːŋ.sá.ˈwāːŋ/ [key·simplify] Meaning & History From Lao ແສງ (seng) meaning "light" and ສະຫວ່າງ (savang) meaning "light, bright, dawn".