جَاءَنِي غُلَامَا زَيْدٍ
Translation: Zayd’s two servants came to me.
جَاءَ: past verb built on fatḥa.
نِ: protective nūn, without a case position.
ي: first-person attached pronoun, object in the accusative position.
غُلَامَا: subject, nominative with alif as a dual; also muḍāf, so its nūn has been omitted.
زَيْدٍ: muḍāf ilayh, genitive with kasra.
Original form: «غُلَامَانِ» → «غُلَامَا زَيْدٍ» in iḍāfa.