Awalen yiferdisen -Amussnaw n trakalt: d awal amaynut id-yesnulfa s usdukel -Wartugrint: d awal n sin n wawalen: amusnaw (savant) + amaynut id-yesnulfa s tenzeɣt n+ tarakalt (gographie), i usenṭeḍ n sin n wawalen wakken ad d-yini (geographe) (war+tugrint): I wakken ad d-yini indiscipline -Amussnaw n d awal amaynut id-yesnulfa s usdukel -Agraɣlan: d awal yellan yimtiwgen: n sin n wawalen: amusnaw (savant) + yakan, d asenṭeḍ n sin n tenzeɣt n+ imtiwgen (plantes) i wawalen (ager+aɣelnaw) wakken ad d-yini (astronome) international -Snat n tmerwin: d asdukel n sin wawalen (snat+ -Agugẓer: d awal timerwin) I wakken ad d-yini (20) amaynut, d asenṭeḍ n sin yiferdisen (agug+ẓer), I wakken ad d-yini tlscope -Kraḍet n tmerwin: d asdukel n sin wawalen (kraḍet + -Abrid imetti : d asenṭeḍ timerwin) I wakken ad d-yini (30). n sin yifersin  abrid+imitti  (sens inverse) -Ukuẓet n tmerwin: , d asdukel n sin wawalen (ukuẓet + -Tasint : d asenṭeḍ n sin timerwin) I wakken ad d-yini (40). yiferdisen (tis+snat).