IPA: /ɒlˈfæktəri/
KK: /ɔlˈfæktəri/
Related to the ability to smell or the sense of smell.
The olfactory nerves send signals to the brain when we smell something.
Olfactory → It is formed from "olfacere" (meaning to smell) and the suffix "-ory" (meaning relating to). The word "olfactory" refers to something that is related to the sense of smell.
Think of the root 'olfacere' which means to smell, and remember that 'olfactory' relates to the sense of smell.