'adamas' originates from Greek, specifically the word 'ἀδάμας (adámas),' where 'a-' meant 'not' and 'damas' meant 'tame' or 'conquer.'

'ἀδάμας (adámas)' transformed into the Latin word 'adamas,' and eventually became the modern English word 'adamas.'

Initially, it meant 'unconquerable' or 'invincible,' but over time it evolved into its current meaning of a legendary unbreakable stone.