The Surah takes its name from the word dukhan which occurs in verse 10. Its period of revelation also could not be determined from any authentic tradition, but the internal evidence of the subject matter shows that this Surah too was sent down in the same period in which Surah Zukhruf and a few other earlier Surahs had been revealed. However, this Surah was sent down somewhat later. Its historical background is this: When the disbelievers of Makkah became more and more antagonistic in their at