(53) باب فِي الرُّقْبَى
Mujahid said:
'Umra' means that a man says to another man: It belongs to you so long as you live. When he says that, it belongs to him and to his heirs. Ruqba means that a man says to another: From me and from you. (RU)
Reference (RU): Sunan Abi Dawud 3560 (RU)
In-book reference (RU): Book 24, Hadith 145 (RU)
English translation (RU): Book 23, Hadith 3553 (RU)