Waqf

The qadis in Egypt and Syria administer the waqfs and alms for the benefit of travellers.

A small house at the centre of the bazaar dispensed coffee free of charge to the poor at the expense of the waqf, an Ottoman charitable foundation.

You can extend the idea of isograms to sentences that don't repeat any letters. Interestingly, there are several English sentences that use each letter exactly once. They're all pretty weird and either borrow from other languages or use acronyms that were later accepted as English words. For example: Veldt jynx grimps waqf zho buck As I'm typing this, my word processor is marking each of the above words (save for “buck”) as spelled incorrectly, though I promise they're real words. Honest.

Palestine is described as an “Islamic Waqf”—an endowment predicated on Muslim religious, education, or charitable principles and therefore inviolate to any other peoples or religions.