The Aramaic itai (אִיתַי) is the existential particle meaning 'there is' or 'it exists' — the Aramaic equivalent of Hebrew yesh. It appears in the Aramaic sections of Daniel and in Ezra, asserting existence or presence. In Daniel, it appears in the bold declaration of Shadrach, Meshach and Abednego: 'Our God whom we serve is able to save us... but even if he does not — itai Elah' — 'there IS a God.'
Perhaps the most theologically powerful use of itai comes from the fiery furnace: Shadrach, Meshach, and Abednego declare that God is able to deliver them — but even if He does not, they will not bow. The word itai here asserts not just existence but the existence of a God who is sovereign even when He seems absent. This is faith at its purest: 'There IS a God — and whether He delivers us or not, He is worthy of our worship.' The same logic applies to the Christian: not 'God will definitely rescue me from this,' but 'God IS, God reigns, and that is enough.' Itai is the existential anchor of covenant faith.