Iphigenia

[if-i-juh-nahy-uh, -nee-uh] /ˌɪf ɪ dʒəˈnaɪ ə, -ˈni ə/
noun
1.
Classical Mythology. the daughter of Agamemnon and Clytemnestra and sister of Orestes and Electra: when she was about to be sacrificed to ensure a wind to take the Greek ships to Troy, she was saved by Artemis, whose priestess she became.
2.
a female given name.
British Dictionary definitions for Iphigenia

Iphigenia

/ˌɪfɪdʒɪˈnaɪə/
noun
1.
(Greek myth) the daughter of Agamemnon, taken by him to be sacrificed to Artemis, who saved her life and made her a priestess
Iphigenia in Culture
Iphigenia [(if-uh-juh-neye-uh)]

In classical mythology, the eldest daughter of Agamemnon and the sister of Electra and Orestes. When the Greek fleet was about to sail to fight in the Trojan War, Agamemnon sacrificed Iphigenia to the goddess Artemis to obtain favorable winds. According to some stories, Artemis saved Iphigenia from the sacrifice, and she was later reunited with Orestes.