Concordance
وهي (why)
The root وَهَى primarily signifies weakness, feebleness, or becoming infirm.
Concordance — 1 Occurrences
Every place in the Qur'an where the root وهي appears, grouped by grammatical role.
Noun (1 verse)
وَٱنشَقَّتِ ٱلسَّمَاۤءُ فَهِیَ یَوۡمَىِٕذࣲ وَاهِیَةࣱ ١٦
Umm Muhammad (Sahih International):
And the heaven will split [open], for that Day it is infirm
Abdel Haleem:
The sky will be torn apart on that Day, it will be so frail
Muhammad Marmaduke Pickthall:
And the heaven will split asunder, for that day it will be frail