Before revision: The most recent one is proposed by linguist Adrian Poruciuc, who asserts an early borrowing from the Old Germanic compound "gōd-spōd" (which translate as "good fortune"), in opposition to proposed theory and unconvincing explanation based on Proto-Slavic compound gostьpodь, and which is, also, still visible in English compound "godspeed".
After revision: The most recent one is proposed by linguist Adrian Poruciuc, who asserts an early borrowing from the Old Germanic compound "gōd-spōd" (which translate as "good fortune"), in opposition to proposed theory and explanation based on Proto-Slavic compound gostьpodь, and which is, also, still visible in English compound "godspeed".