Ɗafi Da farko dai masana ilimin harsuna kamar su Mathw (1974) da Janjo (1979) da Yuri (2000) sun ce ɗafi na nufin duk wani ƙari da akayiwa saiwar kalma a farkonta ko tsakiyarta ko karshenta. Ɗafa goshi Ɗafa ciki Ɗafa ƙeya Janjo(1979) Mathw(1974) Yauri((2000) Abubakar(2000) Al'hassan(2006) Yahaya1982). "Nahawun Hausa". Rumbun ilimi.com.ng. Retrieved 13 December 2021.