Inherited fromProto-Bantu*-ŋʊ́a.
-ng'wa (infinitivekung'wa,perfect-ng'wele)
- todrink
- Padre Pedro Dupeyron (1880),Pequeno Vademecum da Lingua Bantu na Provincia de Moçambique ou Breve Estudo da Lingua Chi-Yao ou Adjaua[1], Administração do Novo Mensageiro do Coraçao de Jesus, page157
- Rev. Alexander Hetherwick, M.A., F.R.G.S. (1889),Introductory Handbook of the Yao Language[2], Society for Promoting Christian Knowledge, page217
- Rev. Alexander Hetherwick, M.A., F.R.G.S. (1902),A Handbook of the Yao Language[3], Society for Promoting Christian Knowledge, page260
- Meredith Sanderson, M.R.C.S., F.R.G.S., F.R.A.I. (1922),A Yao Grammar[4], Society for Promoting Christian Knowledge, page179