𓊃

Glyph origin
Representing a door bolt used in double doors. The bulges in the center kept the bolt restrained between two fastening rings on one door; slid from one end to the other, it would pass through a third fastening ring on the other door and so lock it. When summarized, the bulges could be reduced to a pair of rounded dots. The phonogrammatic value derives by the rebus principle from its use as a logogram for.

Usage notes
Homophonic to   after Old Egyptian, when the two sounds merged.