Narrator:Zayd ibn Khālid al-Juhani
وَعَن زيد بن خالدٍ أَنَّ رَسُولَ اللَّهِ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ قَالَ: «مَنْ جَهَّزَ غَازِيًا فِي سَبِيلِ اللَّهِ فَقَدْ غَزَا وَمَنْ خَلَفَ غَازِيًا فِي أَهْلِهِ فقد غزا»
Zaid b. Khalid reported God’s Messenger as saying, “He who equips a fighter in God’s path has taken part in the fighting, and he who looks after a fighter's family when he is away has taken part in the fighting." (Bukhari and Muslim.)
Reported by Al-Bukhari (No. 2843), Muslim (No. 1895a, 1895b), Abu Dawud (No. 2509), At-Tirmidhi (No. 1628, 1629, 1631), An-Nasa’i (No. 3180, 3181) and Ahmad (No. 16424, 16430, 16441, 20692). Cited in Mishkat al-Masabih (No. 3797).