The construction "out of need" is actually good old Latin - ex necessitas. Which I hope makes sense to a Spanish speaker. "Out of luck" is weirder. German has

The construction "out of need" is actually good old Latin - ex necessitas. Which I hope makes sense to a Spanish speaker. "Out of luck" is weirder. German has ausgehen to mean "run out" (as in "our supplies are running out"), but it's not quite the same...