The Egyptian Book of the dead by P. Le Page Renouf and Edouard Naville

2. The sun was represented from the earliest period, as we may see in

the pyramid texts, as performing his celestial journey in a boat, which during the morning was called the _Māāṭit_ ⁂⁂⁂ and in the evening the _Sektit_ ⁂⁂.