When was olfactory added to the dictionary?
Score: 4.6/5 (53 votes) The first known use of olfactory was circa 1658.How old is the word olfactory?olfactory (adj.)"making or causing to smell; having the sense of smell," 1650s, from Latin olfactorius, from olfact-, past-participle stem of olfacere "to get the smell of, sniff," from olere "emit ...