Origin of succubusMiddle English ; from Medieval Latin (altered by associated, association with incubus) ; from Late Latin succuba, strumpet ; from Classical Latin succubare, to lie under ; from sub-, sub- + cubare, to lie: see cube
nounpl. suc·cu·bus·es or suc·cu·bi also suc·cu·bae
- A female demon supposed to descend upon and have sexual intercourse with a man while he sleeps.
- An evil spirit; a demon.
Origin of succubusMiddle English, from Medieval Latin, alteration (influenced by Late Latin incubus, incubus) of Latin succuba, paramour, from succubare, to lie under : sub-, sub- + cubare, to lie down.
(plural succubi or succubuses)
Alteration in Middle English of Late Latin succuba (“strumpet, especially a mythological fiend in female form who has intercourse with men in their sleep"), from succubare (“to lie under"), from sub- (“under") + cubare (“to lie down"), from Proto-Indo-European *keu(b) (“to bend, to turn").