doing neither good nor harm, as a medicine.
Origin of adiaphorous
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
med having no effect for good or ill, as a drug or placebo
Word Origin for adiaphorous
C17: from Greek adiaphoros indifferent, from a- 1 + diaphoros different
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012