Mezue ahịrịokwu na-esonụ: N'ihe gbasara oge na ihe gbara ya gburugburu nke ekpughere ekpughere ("asbāb al-nuzūl"), a kwenyere na isi nke abụọ ma ọ bụ nke atọ nke Medina surahs, ebe ọ na-ezo aka ma ihe omume nke Badr na
Uhud. Ihe fọrọ nke nta ka ọ bụrụ na ọ bụ afọ nke atọ nke Hijra, ọ bụ ezie na obere akụkụ nke amaokwu ya nwere ike ịbụ na ekpughere ya n'oge nleta nke ndị nnọchi anya Ndị Kraịst Najrān na Mubahala, nke mere n'ihe dị ka afọ 10 nke Hijra. Isiakwụkwọ a lekwasịrị anya n'ụzọ bụ́ isi n'ọpụpụ nke ibu amụma site n'ọgbọ Mosis.