Save Type Surname (from location) Usage Chinese (Cantonese), Chinese (Hakka), Chinese (Hokkien) Scripts 曹(Chinese) Pronounced Pron. /t͡sʰou̯/(Cantonese) /t͡sʰo/(Hakka) /t͡so/(Hokkien) [key·simplify] Meaning & History Cantonese, Hakka and Hokkien romanization of Cao.