Let Baby Know How She Lights Up Your Life With This Dazzling Thai Name. Saengdao Means "starlight," And Has Just The Right Amount Of Whimsy To Delight Any Dreamer. It Comes From The Thai Word saeng, Meaning "light, Ray, Beam," And dao, Which Means "star." Although Traditionally A Thai Name, Saengdao Is Also Used In Laos Where Its Popular For Both Genders.