From a “ܒ݂” added to mirror the spelling of its doublet ܓܲܒ݂ܪܵܐ (gaḇrā, “man, husband”).
ܓܘܼܒ݂ܪܵܐ • (guḇrā) (feminine ܓܘܼܒ݂ܪܬܵܐ (guḇrtā), plural ܓܘܼܒ݂ܪܹ̈ܐ (guḇrē))