Etymology
From French desman, German Desman, from Swedish desmanråtta (“muskrat”), from desman (“musk”, older also desma, desme), from Middle Low German dēsem, from Old Saxon desamo, alteration of *besamo (cf. Old High German bisamo), from Late Latin bisamum (“musk”), from Hebrew בושם (bāśām, bōśem). Doublet of balm and balsam.