Early 18th century; earliest use found in George Berkeley (1685–1753), Church of Ireland bishop of Cloyne and philosopher. From classical Latin olfact-, past participial stem of olfacere to smell + -ible.
Definition of olfactible in US English:
olfactible
adjectiveɒlˈfaktɪbl
rare
Capable of being smelled.
Origin
Early 18th century; earliest use found in George Berkeley (1685–1753), Church of Ireland bishop of Cloyne and philosopher. From classical Latin olfact-, past participial stem of olfacere to smell + -ible.