Word by Word Analysis

فَلَمَّا عَتَوْا۟ عَن مَّا نُهُوا۟ عَنْهُ قُلْنَا لَهُمْ كُونُوا۟ قِرَدَةً خَـٰسِـِٔينَ 166

So when they were insolent about that which they had been forbidden, We said to them, "Be apes, despised."