No sylphs of the air, no trancing music out of the waters now!
late 14c., "state of extreme dread or suspense," also "a dazed, half-conscious or insensible condition," from Old French transe "fear of coming evil," originally "passage from life to death" (12c.), from transir "be numb with fear," originally "die, pass on," from Latin transire "cross over" (see transient). French trance in its modern sense has been reborrowed from English.
An altered state of consciousness as in hypnosis, catalepsy, or ecstasy.