Promethean
adj//pɹoʊ-//prometeisk
Of or pertaining to Prometheus, a demigod in Greek mythology who created mortals from clay and stole fire from Zeus to give to them, for which Zeus punished him by chaining him to a rock and having an eagle feed on his liver which grew back each night; he was later rescued by Heracles.
(rare) Of or pertaining to the promethea silkmoth (Callosamia promethea).