امْرَأَتُهُ

امْرَأَتُهُ is a phrase (شِبْهُ الجُمْلَةِ) consisting of a possessed noun and a pronoun

PhraseNoun / NounNoun Noun
شِبْهُ الجُمْلَةِمُضَافٌ وَ مُضَافٌ إِلَيْهِمُضَافٌ إِلَيْهِمُضَافٌ
PhraseCompoundPossessive noun/ownerNoun possessed/owned
امْرَأَتُهُ=هُ+امْرَأَتُ
his wifehiswife of
Surah/Below are the 3 verses in the holy Quran containing the compoundوَامْرَأَتُهُ
Ayat
and his wife was standing, and she laughed, and We gave her glad tidings of Ishaq (AS)وَامْرَأَتُهُ قَآئِمَةٌ فَضَحِكَتْ فَبَشَّرْنَاهَا بِإِسْحَاقَ
11-71and after Ishaq, of Yaqub (AS)وَمِن وَرَآءِ إِسْحَاقَ يَعْقُوْبَ
51-29
111-4And his wife, the carrier of woodوَامْرَأَتُهُ حَمَّالَةَ الْحَطَبِ