The term “quack,” short for “quacksalver” (Early New Dutch quacksalver, German Quacksalber, composed of quacken, “to cry,” “to quack [like a duck],” and salver/Salber, from the OHG salbari, “physician,” or Latin salvare, “to heal”; French charlatan, Italian ciarlatano), generally referred to someone pretending to be a healer and practicing without authority, or sometimes to certified heal…