Perhaps from the equivalent of dhab; goldmaking, i.e. Exactness -- golden city.
see HEBREW dhab
H4062. madhebah
מַרְהֵבָה noun feminine boisterous, raging, behaviour; — Isaiah 14:4; so read (for מַדְהֵבָה ᵑ0) Thes and most, after ᵐ5; "" נגשׂ (compare 3:5).
רהג (√ of following; Arabic is raise (dust, a tumult, conflict, etc.), Lane).