Electra

wiktionary

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From Ancient Greek ἤλεκτρον(ḗlektron, “amber”), related to ἠλέκτωρ(ēléktōr, “shining sun”).

etymonline

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Electra

also called Laodice, a daughter of Agamemnon and Clytaemnestra, the accomplice of her brother Orestes in the murder of their mother, from Greek Ēlektra, literally "shining, bright," related to ēlektōr "the beaming sun" and perhaps to ēlektron "amber." Especially in psychological Electra complex (1913, Jung) in reference to a daughter who feels attraction toward her father and hostility to her mother. Also the name of a daughter of Atlas, and as such a name of one of the Pleiades.