In the 1600s, European travellers observed that East African persons smoked it applying coconut-dependent water pipes (Comoros) and antler-dependent pipes in Madagascar. A Portuguese account from your 1580s reports the usage of ‘bangue’ in the region, which can be considered to relate to your community term for cannabis – bhang. https://stephenfvkxj.celticwiki.com/1753481/5_easy_facts_about_zanzibar_cannabis_described