Meaning

noun a person (such as an author) of enduring fame

noun any supernatural being worshipped as controlling some part of the world or some aspect of life or who is the personification of a force

adjective not subject to death

originFrom Latin immortālis, from prefix im- (“not”) (from in-) + mortālis (“mortal”) (from mors (“death”), combining form mort- + adjectival suffix -alis), equivalent to im- + mortal. Displaced native undeadly, from Old English undēadlīċ. The term referring to the Persian soldiers was a Calque of Ancient Greek ἀθάνατος (athánatos). One suggestion claimed that "Immortals" were named by the ancient…

Etymology from Wiktionary, CC BY-SA 3.0