The patronym Abu Ayyub , means father abu of Ayyub. As Abu Ayyub was the head of his family, he was one of the chosen elders in Medina who went to the valley of Aqaba and pledged allegiance to Islam at the hands of Muhammad, who named him Abu Ayyub al-Ansari. After the migration, Muhammad united the Muhajiruns and Ansars into a single allegiance. Waqif of Al-Masjid an-Nabawi : The land of Al-Masjid an-Nabawi belonged to two young orphans, Sahal and Suhayl, and when they learned that Muhammad wished to acquire their land for a mosque, they went to Muhammad and offered the land to him as a gift.
Muhammad insisted on paying for the land because they were orphaned children. The ultimately agreed purchase price was paid by Abu Ayyub al-Ansari who thus became the waqif or creator of a charitable endowment of Al-Masjid an-Nabawi on behalf of Muhammad. Following the Muslim conquest of Egypt , Abu Ayyub moved to Fustat , where he lived in a house adjacent to the mosque of Amr bin Al'aas that had been completed in During his military career, "he did not stay away from any battle in which the Muslims engaged from the time of Muhammad to the time of Muawiyah I , unless he was at the same time, engaged in another battle being fought elsewhere.
In a hadith in Qital al-Rome, a chapter of Sahih Muslim , Muhammad prophesied that the first army to charge Constantinople will enter Paradise. Muhammad ibn Jarir al-Tabari records a number of raids against the Byzantine Empire under the period A. Though Abu Ayyub was by then an old man, that did not deter him from enlisting.
Shortly after engaging in battle, [ 6 ] it is recorded that he fell ill and had to withdraw. Yazid ordered the Muslim army to fulfil his request, and they pushed back the enemy's forces until they reached the walls of Constantinople where Abu Ayyub was finally interred.
About this battle, Aslam ibn 'Imran narrates that when they were fighting the Byzantines, a Muslim soldier penetrated deep into enemy ranks. The people exclaimed, " Subhan Allah! He has contributed to his own destruction. You give this interpretation to this verse, whereas it was revealed concerning us the Ansar.
