Theotokos
noun
Theo·to·kos ˌthē-ə-ˈtō-(ˌ)kōs 
ˌthā-,
-kəs : virgin mary
Word History
Etymology
borrowed from Late Greek theotókos, originally as adjective, "giving birth to God, being the mother of God," from Greek theo- theo- + -tokos "giving birth (to or in the manner specified)," adjective derivative of tókos "childbirth, act of giving birth (to animals), offspring" — more at dystocia
First Known Use
1868, in the meaning defined above