جَاءَنِي أَخُوكَ.
Translation: Your brother came to me.
جَاءَ: past-tense verb, built on fatḥa.
نِ: protective nūn; ي: attached pronoun functioning as the direct object.
أَخُو: subject (fāʿil), nominative with wāw as its sign; also the first term of iḍāfa.
كَ: attached indeclinable pronoun, in the genitive position as the second term of iḍāfa.
Why wāw? Because the word is nominative and meets the conditions of the six-noun rule.
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Noun Case Classes: Type 4 — The Six Nouns
جَاءَنِي أَخُوكَ.
Translation: Your brother came to me.
جَاءَ: past-tense verb, built on fatḥa.
نِ: protective nūn; ي: attached pronoun functioning as the direct object.
أَخُو: subject (fāʿil), nominative with wāw as its sign; also the first term of iḍāfa.
كَ: attached indeclinable pronoun, in the genitive position as the second term of iḍāfa.
Why wāw? Because the word is nominative and meets the conditions of the six-noun rule.