訓 か(ぐ) ・ 音 キュウ 🔊
Sino-Vietnamese: khứu
The mouth radical 口 next to 臭 (smell): drawing in a smell, to sniff, as in 嗅覚 (sense of smell).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
犬は嗅覚が鋭い。 (いぬはきゅうかくがするどい)
Dogs have a keen sense of smell.