Riyad as-SalihinChapter 11Hadith 627
Full Sharh — Riyad as-Salihin 627
وعن زيد بن خالد، رضي الله عنه أن رسول الله صلى الله عليه وسلم قال: "من جهز غازيًا في سبيل الله فقد غزا ومن خلف غازيا في أهله بخير فقد غزا" ((متفق عليه))
English Translation
Zaid bin Khalid (May Allah be pleased with him) reported:: The Messenger of Allah (ﷺ) said, "He who equips a Ghazi (fighter) in the way of Allah is as if he has taken part in the fighting himself; and he who looks after the dependants of a Ghazi in his absence, is as if he has taken part in the fighting himself.".
Source
Riyad as-Salihin(رياض الصالحين)
The Book of Jihad
Hadith Number
627