Word by Word Analysis

فَلَمَّا رَءَا قَمِيصَهُۥ قُدَّ مِن دُبُرٍ قَالَ إِنَّهُۥ مِن كَيْدِكُنَّ ۖ إِنَّ كَيْدَكُنَّ عَظِيمٌ 28

So when he [i.e., her husband] saw his shirt torn from the back, he said, "Indeed, it is of your [i.e., women's] plan. Indeed, your plan is great [i.e., vehement].