The crossword solution for the term 'Provider of Eve's Leaves' is FIG, a three-letter word. The FIG tree is an ancient species of tree that has been cultivated since ancient times and is native to the Middle East and parts of Asia. In the Bible, it is mentioned in the story of Adam and Eve, where God provides them with leaves from the FIG tree to cover their nakedness. Therefore, the Provider of Eve's Leaves is the FIG tree.