S umata , deg tadra-nsent tutlayin akk d timawin , ilmend n yimezrayen tira d tamaynut deg umezruy n talsa , tennulfa-d i tikkelt tamezwarut deg usamer alemmas azal n 5.000 n yiseggasen .Ɣas akken tira tettak afud i tutlayt , d alal n tneflit n yidles d tɣerma , drus n yiɣerfan i tt-yessemrasen .Dɣa amur ameqqran n tutlayin qqiment ar ass-a d timawin, ger yigduden yessemrasen tira , llan wid i tt-iskecmen deg yal taɣult ( tasekla , tasreḍt , tussna , taywalt ...atg )ɣur wiyaḍ ad tt-naf anager deg kra n taɣulin kan .