Sahih Muslim 4902
صحيح مسلم#4902SahihIt has been narrated on the authority of Zaid b. Khalid al-Juhani that the Messenger of Allah (ﷺ) said:Anybody who equips a warrior (going to fight) in the way of Allah (is like one who actually) fights. And anybody who looks well after his family in his absence (is also like one who actually) fights
Scholarly Authentication
We show the most cautious grade (weakest-wins) as the overall label. Individual scholars graded it as follows:
Every narration in Sahih Muslim is accepted as Sahih (authentic) by the established status of the book.
In-book reference: 33:198