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

5. This is part of the funereal ceremonies. ⁂⁂⁂⁂ is to

touch the mouth or make a mark on it with the instrument called ⁂⁂⁂ (Schiaparelli, _Libro dei Funerali_, Vol. I, p. 139). ------------------------------------