ا ز رʾ-z-r
(ض) اَزَرَ يَاْزِرُ اَزْرًاazara yāziru azran: (1) to be tightly knit, to be strong. (2) to tie on a waist-wrapper.
اَزْرٌazr (noun, ism dhāt): (1) strength, power. (2) the waist (where the waist-wrapper is tied). ﴿اشْدُدْ بِهِۦٓ اَزْرِيْ﴾ (Ṭā Hā 20:31)
اٰزَرُazaru: an elative (ism tafḍīl) of اَفْعَلُafʿalu: (1) stronger. (2) also a proper noun, the name of the father of Abraham. ﴿لِاَبِيْهِ اٰزَرَ﴾ (Al-Anʿām 6:74)
Form III (mufāʿalah) اٰزَرَ يُؤَازِرُ مُؤَازَرَةًazara yuʾāziru muʾāzaratan: to strengthen someone, to make firm. ﴿فَاٰزَرَهُۥ فَاسْتَغْلَظَ﴾ (Al-Fatḥ 48:29)