WEBThe etymology of Chittagong is uncertain. [17] The port city has been known by various names in history, including Chatigaon, Chatigam, Chattagrama, Islamabad, Chattala, Chaityabhumi and Porto Grande De Bengala.[18] The Bengali word for Chittagong, Chattogram (চট টগ র ম), has the suffix "-gram" (গ র ম) meaning village in Standard …