The name diamond is derived from the ancient Greek ἀδάμας (adámas), "unbreakable, untamed", from ἀ- (a-), "un-" + δαμάω (damáō), "I overpower, I tame" Adamas , Henry George Liddell, Robert Scott, A Greek-English Lexicon, at Perseus, and is the real-world origin of myths about a superhard metal called adamant.