scenter
/ˈsɛntə/noun
1A person or animal which perceives a scent, or which tracks or hunts by sense of smell; also figurative.
2A thing which gives out a smell or imbues something with a smell.
Origin
Early 17th century; earliest use found in Randle Cotgrave (fl. 1587–?1630), lexicographer. From scent + -er.