Pafupifupi zaka 6,000 zapitazo, anthu a ku Sumeri adapeza chakumwa chosangalatsa chomwe chidadziwika padziko lonse lapansi: mowa.Kuti mowa ukhale wosasinthasintha, kutsitsimuka komanso mtundu wa mowa, kusefera kwa membrane panthawi yofulula moŵa kumafunika kuwongolera tizilombo tating'onoting'ono, zinthu zachilengedwe, kumveka bwino, komanso kukoma kwabwinoko.Dongguan Qinda ali ndi zaka 18 zachitukuko ndi kupanga zinachitikira, kuphatikizidwa ndi labotale angapereke ntchito tizilombo tating'onoting'ono ndi kutsimikizira, kuonetsetsa bata ndi dzuwa la mankhwala operekedwa.
