Enter a clue or pattern or both:
The Clue
Clytemnestra's lover (9 letter answer)
The Answer
AEGISTHUS
Tags
Notes
The answer AEGISTHUS is so rare that it appears less than once every 2500 puzzles.
Definition
AEGISTHUS as a noun:
1. (Greek mythology) the seducer of Clytemnestra and murderer of Agamemnon who usurped the throne of Mycenae until Agamemnon's son Orestes returned home and killed him