The word "trance-like" is a modern English compound formed by directly combining two established words. Its first element, "trance," has a journey from the concrete to the abstract: originating from the Latin transīre ("to go across"), it evolved in Old French to describe the passage from life to death or a state of intense fear, eventually entering English to denote a detached state of consciousness, as if one's mind had "passed over" from ordinary awareness. The second element, "like," is a native English suffix from a Germanic root meaning "body" or "form," used to indicate resemblance. Thus, the compound's logic is transparent: it literally means "having the form or characteristics of a trance," perfectly describing a dazed, absorbed, or semi-conscious condition.

Structure: trance (trance) + like (resembling) - trance: From Middle English traunce, from Old French transe (fear, apprehension), from transir (to die, pass on, be numb with fear), from Latin transīre (to go over, pass). In this compound, it functions as the core noun denoting a hypnotic or ecstatic state. - like: From Middle English lik, lich, from Old English līc (body, form; like, similar), from Proto-Germanic līką. In this compound, it functions as an adjective-forming suffix meaning "having the characteristics of; similar to".