Then We withdrew (seized) it (the lengthened shadow) to Us with an easy withdrawal (made it feel its inexistence with the awareness of the reality).
Sayyed Abbas Sadr-Ameli
Then We draw it in towards Ourselves, by an easy (gradual) contraction
Al-muntakhab fi tafsir al-Qur'an al-Karim
And then We reduce it to a smaller compass and make it gradually disappear - having been made to contract and vanish by the same invisible hand that made it and creaked it-
Did you not consider (the work of) your Fosterer, how He stretches the shade (which ultimately ends in night)? And had He willed he could have made it stationary. Then We have made the sun its guide,