Deg wayen id-nebder yakan, ad d-nini belli tiɣunba, tella tebεed aṭas ɣef tsekla acku tefka azal ameqqran i tesnilest. Almi d iseggasen n 1950,bdan ssemrasen-tt ɣef tsekla ayen idyenna G. Moliné:“tiɣunba ur teqqin ara kan ɣef tezrawin yeqqnen ɣer tesnilest maca terna ula d tizrawin yeqqnen ɣer tseklal12”. Ayen i d-yewwin amaynut i tiɣunba s timmad-is,d ayen yexdem J. Marouzeau akked M.Cressot (1947) ayen i wumi qqaren tiɣunba tatrart ;d tiɣunba s wudem amaynut.