Word by Word Analysis

وَقَوْمَ نُوحٍ لَّمَّا كَذَّبُوا۟ ٱلرُّسُلَ أَغْرَقْنَـٰهُمْ وَجَعَلْنَـٰهُمْ لِلنَّاسِ ءَايَةً ۖ وَأَعْتَدْنَا لِلظَّـٰلِمِينَ عَذَابًا أَلِيمًا 37

And the people of Noah - when they denied the messengers, We drowned them, and We made them for mankind a sign. And We have prepared for the wrongdoers a painful punishment.