English
adamantine- adj. unbreakable
Spanish
adamantino
Etymology
adamantine (adj.) 
c.1200, from Latin adamantinus “hard as steel, inflexible,” from Greek adamantinos, from adamas
adamas (genitive adamantos) “unbreakable, inflexible” metaphoric of anything unalterable, also the name of a hypothetical hardest material, perhaps literally “invincible,” from a- “not” + daman “to conquer, to tame”
Tom doesn't give a Shit 