Tartare

Tartarus (a dark and gloomy part of the realm of Hades, reserved for the damned and the wicked, such as the Titans; an equivalent of hell in Greek and Roman mythology)

Borrowed from Latin Tartarus, from Ancient Greek Τάρταρος (Tártaros).

Tartar; Tatar (person)

Borrowed from Medieval Latin Tartarus, alteration of Tatar, from a Turkic name. Influenced by Tartarus (“underworld”).