أَوِ الْمَفْعُولَاتِ عَلَى الْفِعْلِ
Or by advancing objects and other complements before the verb.
In “إِيَّاكَ نَعْبُدُ” the object precedes the verb. This yields “You alone we worship,” rather than the neutral “We worship You.” The object, identifying the addressee, is the exclusive counterpart of the worship relationship.
Distinguish the grammatical mechanism from the resulting emphasis. The devotional context supports the force of this restriction.