Because the cuneiform sign used to write her name is the same as the sign for engur it is highly probably that she was originally conceived as the personification of the subterranean primeval waters .
Engur is a synonym for abzu .
Because the cuneiform sign used to write her name is the same as the sign for engur , a synonym for abzu , it is highly probably that she was originally conceived as the personification of the subterranean primeval waters .