Possessive pronoun in the second person and feminine. In Greek mythology, Thia or Theia was the name in Greek mythology of one of the Titanesses. In some documents it is also listed as Tuya, Etra or Euryphaesa. It means where the light comes from, luminous sky or the one of wide brightness. Goddess of sight and observation. She was the daughter of Uranus and Gaia. She was the mother of the luminaries with Hyperion (Helios, Selene and Eos). Name of an asteroid .
