Joseph translates an alphabet and arranges a grammar to the BOA.
Joseph Smith, History, 1838–1856, volume B-1, July 1835, 597, The Joseph Smith Papers website, accessed August 10, 2021
<Translating the Book of Abraham &c.> The remainder of this month, I was continually engaged in translating an alphabet to the Book of Abraham, and arrangeing a grammar of the Egyptian language as practiced by the ancients.