"having a good sense of smell, having well-developed olfactory organs," 1878, from French osmatique, apparently coined by Paul Broca, from Greek osmē "smell, scent, odor" from PIE root *hed- "to smell" (see odor). Related: Anosmatic.
Osiris
-osis
-osity
Oslo
Osmanli
osmatic
osmium
Osmond
osmosis
osprey
osseous