Below you can find the The name of this gem comes from the greek word adamas which means unconquerable Jeopardy Words Answer. The answer to The name of this gem comes from the greek word adamas which means unconquerable has 7 letters. This clue belongs to the Gems category and is part of Jeopardy Word Level 2066. If you scroll near the bottom you will find other clues and answers part of level 2066