The widespread occurrence of both roots in the theonymy of the Indo-European world, their prevalent merger into one divine name, and the striking resemblance in mythological functions tied to this onomastics enable us to look for the same ancestry of all historically attested variants.
Source: wiktionary
Were that the case, it would only strengthen my position: for Deuteronomy, at the time of its composition, like the Qumran Temple Scroll, would then constitute a divine pseudepigraph, with theonymy the ultimate trope of authority.
Source: wiktionary
Since the octave describes the nonhuman parts of Creation, it omits both morality and theonymy: God and Christ are never named.
Source: wiktionary