Borrowed fromGermanBalsam, an occupational surname for a seller of perfumes. It could also be anEnglish habitational surname, fromBalsham, inCambridgeshire.
Balsam (pluralBalsams)
FromMiddle High Germanbalsam,balsame, fromOld High Germanbalsamo,[1] fromProto-West Germanic*balsamō.Doublet ofBisam andDesman.
Balsam m (strong,genitiveBalsams,pluralBalsame)