Egyptus

In Latter-day Saint theology (also known as Mormon theology), Egyptus is the name of two women in the Book of Abraham in the Pearl of Great Price. One is the wife of Ham, son of Noah, who bears his children. The other is their daughter, who discovered Egypt while "it was under water" (1:23). The younger Egyptus places her eldest son on the throne as Pharaoh, the first king of Egypt (1:25).

The word Egyptus is considered to be an anachronism in the Book of Abraham among non-Mormon Egyptologists and historians, since the origin of term "Egypt" is believed to have come from another source much later in history from the time of the narrative described in the Book of Abraham. The word "pharaoh" is also considered to be an anachronism in the Book of Abraham for similar reasons.

Postulated etymology among Mormon scholars

The Babylonian name for "Egypt" was written in syllabic cuneiform as Ḫikuptaḥ, which was taken from an Egyptian name for Memphis, the old capital of Egypt, Ḥwt-kЗ-Ptḥ, "House-of-the-Spirit-of-Ptah" (i.e., the Temple of Ptah), which by extension became the name for "Egypt/ Aegyptus/ Egyptus" = Coptic ekepta, and Αἴγυπτος in Homer as both Nile River and country, and in Bibliotheca (2.1.4-5), as the eponymous son of Belus & Anchinoe, who first conquers Egypt.