Although blessing God appears throughout the Hebrew Bible, the fixed formula recorded here, opening every berakhah with these same words before a clause naming the specific occasion, is a rabbinic structure, standardized during the Mishnaic period across the first to third centuries CE rather than commanded in this exact wording anywhere in scripture. The Mishnah tractate Berakhot is where the form is first laid out systematically, and its authors were working to impose a consistent shape on what had previously been more variable spontaneous blessing, so the opening words here represent a deliberate rabbinic standardization project rather than an ancient fixed liturgical inheritance stretching back to the Temple without alteration.
Two words carry translation difficulty. Adonai, literally my lords in an honorific plural, is read aloud in place of the Tetragrammaton, the name recorded elsewhere in this atlas as never pronounced, so every spoken berakhah already contains a substitution rather than the name it visually gestures toward. Olam, rendered universe here, carries a documented ambiguity in Biblical and rabbinic Hebrew between a spatial sense, world, and a temporal sense, eternity or forever, and melekh ha olam can accordingly be read either as king of the world, emphasizing God's rule over all creation spatially, or king of eternity, emphasizing God's rule across all time, a genuine semantic double meaning most English translations resolve one way or the other, most commonly universe, at the cost of the temporal sense the Hebrew leaves equally available.