 They were self-descriptive.The chicken ("murgi") market ("hat") was Murgihata, twin ("jora") bridges ("sanko") over a creek distinguished Jorasanko, butchers ("kasais") slaughtered animals at Kasitola, and the potters ("kumors") spun the river clay on wheels at Kumortuli.Later, they took to making clay idols in demand in the mansions that grew up all around.