Meanings
Representing the sky with an uncertain object suspended from it, possibly a broken oar or a drill 
U25, 
U24 with the sky as drill-weight. A later variant of this glyph that replaced it is 
N2.
phonogramRepresents a sound or phonetic value
1. Phonogram: grḥ
determinativeClarifies the meaning of other signs
1. Classifier night
otherHas a specialized or contextual function
1. alternative form of (N2).
2. The sky with a sceptre with a cone at the end hanging from it.
