a wall, paries, ἕρκος. This word occurs already in the Pyramid Texts under the form
. See Pepi I, 571, which M. Maspero renders ‘la Grande Enceinte d’On.’ The evident etymological relationship to the Coptic ϫⲱϫ has led some scholars to translate the Egyptian word as signifying chiefs, princes. But though the lexicons give dux and princeps as meanings of the Coptic word, these are but secondary applications of head. We have to enquire why ϫⲱϫ means head, or top of the head. And the reason is its roundness, as indicated by the ideographic signs