فَاِذَا انْشَقَّتِ السَّمَاۤءُ فَكَانَتْ وَرْدَةً كَالدِّهَانِۚ ( الرحمن: ٣٧ )
fa-idhā
فَإِذَا
Then when
inshaqqati
ٱنشَقَّتِ
is split
l-samāu
ٱلسَّمَآءُ
the heaven
fakānat
فَكَانَتْ
and it becomes
wardatan
وَرْدَةً
rose-colored
kal-dihāni
كَٱلدِّهَانِ
like murky oil
Fa-izan shaqqatis samaaa'u fakaanat wardatan kaddihaan (ar-Raḥmān 55:37)
Sahih International:
And when the heaven is split open and becomes rose-colored like oil – (Ar-Rahman [55] : 37)
1 Mufti Taqi Usmani
So, (it will be a terrible event) when the sky will be split apart and will become rosy, like (red) hides.