smell, sniff, scent
嗅 centers on the act of perceiving odor: smelling, sniffing, or detecting a scent.
嗅 combines 口 (mouth) with 臭 (smell, odor), suggesting the act of smelling or sniffing. 臭 itself is composed of 自 (nose) and 犬 (dog), originally referring to a dog's keen sense of smell.
A mouth 口 beside a nose 自 and a dog 犬: imagine a dog sniffing with its nose and mouth, detecting every scent.
For キュウ, picture a curious dog sniffing a cue ball: cue -> キュウ, and the dog smells it intently.
to sniff; to smell
sense of smell; olfaction
to sniff out; to get wind of
snuff
to scent out; to detect
to distinguish by smell; to smell the difference (between); to scent out
to smell
to sniff around
to sniff out; to catch the scent of
tea tasting; tea-tasting
inhalant; medicine that is inhaled
olfactory bulb; bulbus olfactorius
olfactory nerve
olfactory cell
rhinencephalon
hyposmia; microsmia
olfactory receptor neuron; olfactory sensory neuron
olfactory organ
dysosmia
phantosmia; phantom smell; olfactory hallucination