Akken i d-yenna fell-as Dubois.J (2002 :281) : Tasnawalt d tazrewt n umawal, n tmawalt n yiwet n tutlayt, deg wassaɣen-is d wuddusen wiyyaḍ n tutlayt, am temsiselt, ladɣa taseddast.4 Ɣur Policka.A (2014 :08) : Tasnawalt d tazrawt n wawalen, tzerrew tayunin timawalanin n yiwet n tutlayt, d wassaɣen yellan gar wawalen.5 2.1.Tabadut n wawal