sun on the horizons. The heads facing in opposite directions, are
supposed to represent the east and the west horizons, i.e. the
sun's course daily, or the extremities of the universe.
(cf <> Rwty 'the two lion-god' (P.S.B.A.38, 92).)
<> = determinitive in <> wrs 'head-rest' (see text, Budge,
'Mummy')