As a proper name is Διαμαντής [thee-a-man-dees], where thee is like these, theme
As a precious stone is διαμάντι[thee-a-man-dee]
The name of the gemstone which comes from the Greek word adamastos, which means invincible is the diamond.
Unconquerable, diamond
The name originated from the Greek word 'adamas' that means adamant, invincible, unbreakable, unconquerable. It was given this name because it is the hardest gem on the planet and it holds extreme brilliance and fire.
It is beleived to be from the ancient greek word "Adamas"
Actually, it is Latin, not Greek, and the word it derives from means "adamant."
"Diamond" doesn't mean anything in Latin (it stems from the Greek adamas, the same root as adamant). Latin does not have its own word for diamonds, as the Roman Empire was heavily influenced by Greek civilization and just used their word for it.
It comes from the Greek word adamas, meaning unconquerable or invincible.
According to Wikipedia which quotes Liddell, H. G; Scott, R -- Adamas -- in a Greek-Enbglish Lexicon for the Perseus Project:"The name diamond is derived from the ancient Greek αδάμας (adámas), 'proper.' 'unalterable,' 'unbreakable,' untamed', from ἀ- (a-), 'un-' + δαμάω (damáō), 'I overpower', 'I tame'."
A diamond is a gem stone that is often found in rings, necklaces, and earrings. The most common use of a diamond is in an engagement ring.
diamond = daimana
Diamond
'Taimama' is the Maori transliteration of the English word 'diamond'.