מוּסַבָּה mûwçabbâh (H4142)

a reversal, i.e. the backside (of a gem), fold (of a double-leaved door), transmutation (of a name)

1) (Hophal) 1a) to be turned 1b) surrounded, set (participle)

or מֻסַבָּה; feminine of מוּסָב (H4141);