Aṭas n wawalen i d-yegrew seg ssuq n n taddart imi din i ttnejmaεen aṭas n yimdanen (aṭas n wid i d-yettasen seg temnaḍin yemxallafen), gar yidlisen n Basset ad naf adlis n “Etude de géographie linguistique en kabyle” deg-s sin n yiḥricen n umawal : - Aḥric n tfekka n umawal n umdan, d uḥric n yiɣersiwen, deg uḥric n tefka igrewd azal n 20 n wawalen n tefka n umdan di tmaziɣt10 .