With reference to Electra of Greek mythology, who killed her mother.

Electra complex (plural Electra complexes)

1. (psychoanalysis) The theory that a female's psychological development involves a sexual attachment to the father and jealousy of the mother.
   • 1961, Xavier Herbert, Soldiers' Women, Netley, SA: Fontana Books, published 1978, page 234:

     "No plot! Why, dammit girl, it's all plot, woven about that most fascinating of human problems, the Electra complex!"

• Oedipus complex