OS.P2 .6 :ܘܥܪܒܬ ܒܗ ܒܬܢܢܝ ܐܢܬܬܗ ܥܪܒܬܐ‏ : PN his wife the guarantor guaranteed
See the entire entry for ˁarrāḇā, ˁarrāḇtā n.f. guarantor (f.)