Originally the Greek word hymen referred to any membrane, but today the hymen is a membranous fold of tissue which covers the outer orifice of the vagina. In English hyperborean merely means arctic or frigid. Hypnosis is a sleep-like condition in which the person becomes susceptible to suggestion. Hypnotic , as an adjective, means to pertain to or induce hypnosis. As a noun it refers to the person hypnotized, something that promotes hypnotism, or means simply a soporific, that which induces sleep.
Hypnophobia is a pathological fear of sleep.