Proto-EChadic: *ʔa/irway-
Meaning: 'corn, seed'
Kera: arway 'graines poussant vite' (Skinner 1996, 117)
Dangla: yòrwò 2 [Fd] 'sorghum' (Skinner 1996, 83), cf. ēra 'noyau du fruit du palmier-doum' (Ibid., 179)
Bidiya: cf. wēro 'noyau de jonc' (Skinner 1996, 179)
Sokoro: yḗri [Lk: 43] 'corn'