ouphe

You're a cacodaemon or maybe a barghest or an ouphe or an incubus.

We are informed that an Ouphe of about an inch in height has committed a deadly sin in falling in love with a mortal maiden, who may, very possibly, be six feet in her stockings.

Upon this sin, and upon this sentence, depends the web of the narrative, which is now occupied with the elfin difficulties overcome by the Ouphe in washing away the stain of his wing, and re-illuming his flame-wood lamp.

In Theodore Dreiser's novel An American Tragedy he references the spectre adjectivally, saying: "And at one point it was that a wier-wier, one of the solitary water-birds of this region, uttered its ouphe and barghest cry, flying from somewhere near into some darker recess within the woods.