Tafsir al-Jalalayn — an-Nazi’at 79:18

and say “Would you — I call you to — purify yourself tazakkā a variant reading has tazzakkā where the original second tā’ of tatazakkā has been assimilated with the zāy to purge yourself of idolatry by bearing witness that there is no god but God

Tafsir al-Jalalayn — an-Nazi’at 79:5

and by those that direct the affair by the angels who direct the affairs of this world that is to say they descend with the directions for it from God the response to all of these oath clauses has been omitted understood to be something like la-tub‘athunna yā kuffāra Makka ‘you shall certainly be resurrected […]

Tafsir al-Jalalayn — an-Nazi’at 79:6

the day when the Tremor quakes that is to say the first blast as a result of which everything will be shaken violently thus it the subject has been described in terms of the effect it produces

Tafsir al-Jalalayn — an-Nazi’at 79:7

and is followed by the Aftershock the second blast; between the two blasts is a span of forty years the sentence tatba‘uhā’l-rādifatu is a circumstantial qualifier referring to al-rājifa ‘the Tremor’ in other words the ‘day’ can adverbially accommodate both blasts and other events and so for this reason it can also properly function as […]