Tasnalɣa, d aḥric seg tesnilest n tussna izerwen talɣa n wawalen akken tebɣu tili taggayt-nsen ama d tin n tjerrumt ama d tin n umawal. Deg unamek-agi ad d-naf J. Dubois yenna-d: « Deg tjerrumt tamensayt, tasnalɣa d tussna izerrwen talɣa n wawalen, (tanefalit d usuddem), mačči am tseddast izerwen tiwuriwin n wawal »1.