Sahih al-Bukhari — Military Expeditions led by the Prophet (pbuh) (Al-Maghaazi) — Hadith No: 4006
حَدَّثَنَا مُسْلِمٌ، حَدَّثَنَا شُعْبَةُ، عَنْ عَدِيٍّ، عَنْ عَبْدِ اللَّهِ بْنِ يَزِيدَ، سَمِعَ أَبَا مَسْعُودٍ الْبَدْرِيَّ، عَنِ النَّبِيِّ صلى الله عليه وسلم قَالَ " نَفَقَةُ الرَّجُلِ عَلَى أَهْلِهِ صَدَقَةٌ ".
Translation
Narrated Abu Masud Al-Badri:The Prophet (ﷺ) said, "A man's spending on his family is a deed of charity