إِيَّاكَ نَعْبُدُ
You alone we worship.
Placing «iyyāka» before the verb conveys restriction: worship is directed exclusively to Allah. The source compares this resulting meaning with the exclusiveness discussed in «Zayd huwa al-qāʾim».
The structures are different, however. The Qur’anic expression uses fronting of the object, whereas the nominal example uses a separating pronoun after the subject. Similar meanings do not make the two constructions grammatically identical.