Prayer’s end

AMEN

Think of the word often spoken in unison at the close of a hymn or blessing, derived from Hebrew meaning "so be it.

The word "prayer’s end" hints at the last word often spoken at the close of a prayer. In many religious traditions, especially Christian ones, prayers commonly finish with "Amen," which means "so be it." The clue plays on the literal idea of an ending while pointing to a well-known ritual phrase. It’s a straightforward example where the answer is the exact word that fits the description.