K.C.
All I could think of was "mezzanine" (like the low balcony in a theater).... so my suggestion is Jezzamine.
And as far as husband and wife not agreeing on a name, we resolved that issue by giving each spouse complete veto power. If they vetoed a name it was dropped forever, no disputes. They can't honestly expect one spouse to hate the name of their own offspring! Good luck!