Tasbil (dedicating a thing's benefit to a good cause, an endowment term)

Tasbil is making a thing a way to a good cause, and it is also used for endowment; for the Shafi'is and Hanbalis it is an explicit word for an endowment. ¹

In the language, tasbil is making a thing a way to God or to good. In law it is releasing the benefit of an endowed thing, its income and fruit, to the named purpose seeking nearness to God. It is also used for endowment: one says he made the house a way, meaning he endowed it. ¹ For the Shafi'is and Hanbalis it is an explicit endowment word, since it is set for that and known in the law, on the Prophet ﷺ's words to Umar: if you wish, keep its root and make its fruit a way. ¹ For the Hanafis, if the founder says the land is a way for the beneficiaries, it is a permanent endowment where that is the custom; otherwise he is asked his intent. For the Malikis, making a thing a way implies giving its substance in alms unless a sign shows that the substance itself is endowed. ¹

Tasbil is a recommended act of nearness to God by agreement, on the hadith that when a man dies his deeds end except for three, among them ongoing charity. The Companions did it: Umar held a hundred shares of Khaybar and wished to draw nearer to God by them; the Prophet told him to keep their root and give their fruit in alms. Jabir reported that every Companion of means endowed something. ^{1 2} The details are under the entries on alms and endowment. ²