Below you can find the This chemical derived from the bark of a tree was the only treatment for malaria for hundreds of years Jeopardy Words Answer. The answer to This chemical derived from the bark of a tree was the only treatment for malaria for hundreds of years has 7 letters. This clue belongs to the Sickness & health category and is part of Jeopardy Word Level 1411. If you scroll near the bottom you will find other clues and answers part of level 1411