Meaning

adjective suggesting the operation of supernatural influences; ; ; - John Galsworthy; ; - Henry Kingsley

adjective surpassing the ordinary or normal; - George Will

originFrom un- + canny; thus “beyond one's ken,” or outside one's familiar knowledge or perceptions. Compare Middle English unkanne (“unknown”). In the noun sense a translation of Sigmund Freud's usage of German unheimlich (Das Unheimliche, 1919).

Etymology from Wiktionary, CC BY-SA 3.0