The story
From other world (“a world beyond death; a world other than the everyday world”) + -ly (suffix meaning having the likeness of, resembling forming adjectives).
Etymology from Wiktionary, CC BY-SA 4.0.
otherworldly
other·world·lyToday it means: Of, concerned with, or preoccupied with a world different from the tangible world, especially a fantasy, imaginary, or mystical world. Full definition →