Kikimora

Kikimora (Ukrainian and ) is a legendary creature, a female house spirit in Slavic mythology. Her role in the house is usually juxtaposed with that of the domovoy. The kikimora can either be a "bad" or a "good" spirit, which will depend on the behavior of the homeowner. In more recent times an image of kikimora as a female swamp spirit had developed.
Most sources link the suffix -mora with the Proto-Slavic *morà ('nightly spirit, bad dream') and the... meer