Deg wennar n tesnilsit (linguistique), qqaren-d d akken d talitwanit i deg ay d-qqimen waṭas akk n yedrizen (traces) si tutlayt tahendur'ufit (indo-européen) taqdimt, tin i seg d-yeffeɣ umur meqqren si tutlayin n Tur'uft n wass-a. Qqiment-d di tlitwanit aṭas n tɣawsiwin n tjerr'umt taqburt ay sr'uḥent tutlayin tihendur'ifiyin nniḍen. D acu kan, am tutlayin merr'a n twacult tahendur'ufit, ula d talitwanit tbeddel akk d lweqt. Talɣa (forme) taqburt akk n tlitwanit yettwassnen, qqaren-as ""talitwanit taqburt"", yiwen ur a tt-yettmeslay ass-a.