What does Gauri mean?
From the Sanskrit गौरी (gaurī), 'fair, white, brilliant'. It is a classic epithet of the goddess Parvati, consort of Shiva, in her radiant form.
What does Ishita mean?
From the Sanskrit ईशिता (īśitā), 'superiority, supremacy, lordship' — one of the eight siddhis (mystic powers) in yogic tradition. Commonly rendered 'one who desires to rule' or 'preeminent'.