Save Gender Masculine Usage Thai Scripts ทศวรรษ(Thai) Pronounced Pron. /tʰot̚˦˥.sa˨˩.ˈwat̚˦˥/ [key·simplify] Other Forms FormsThodsawat, Thossawat, Thosawat, Totsawat, Todsawat, Tossawat, Tosawat Meaning & History Means "decade, ten years" in Thai.