D tusna yesɛan azal d ameqran deg wayen yerzan tutlayt i d-yettawin ɣef yismawen n yimukan ara aɣ-yeǧen ad negzu s wudem unṣib igduden yesmezrin (iɛeddan) deg yiwen n wadeg. Akken daɣen tasmidegt tettuneḥsab tikwal d amatar aneggaru n waṭas n tɣarmiwin yezrin (iruḥen). Acku tetteg assaɣ ger yidles amiran d yedles yettwattun.