ثُمَّ لَتَرَوُنَّهَا عَيْنَ ٱلْيَقِينِ ٧
Sentence structure
ثُمَّ coordinates. لَتَرَوُنَّهَا is an emphatic second-person masculine-plural imperfect; attached هَا is its object. Accusative عَيْنَ reinforces direct seeing and is annexed to genitive ٱلْيَقِينِ.
Ayah summary
Then you will see it with the eye of certainty.
ثُمَّ — Then
Grammar: A conjunction indicating ordered sequence with an interval.
لَتَرَوُنَّهَا — you will surely see it
Grammar: An emphatic second-person masculine-plural imperfect whose subject is the hidden pronoun «أَنْتُمْ»; initial لَ and final نَّ add emphasis, while attached هَا is its object.
عَيْنَ — with direct sight
Grammar: A feminine accusative cognate accusative reinforcing the seeing; it is annexed to the next noun.
ٱلْيَقِينِ — of certainty
Grammar: A defined masculine genitive complement of عَيْنَ.