From Wiktionary, the free dictionary
From 口 (kuchi) + 元 (moto).
くちもと • (kuchimoto) ←くちもと (kutimoto)?
- the mouth (as a general area on the face); the lips
- 口元に手を当てる
- kuchimoto ni te o ateru
- to put one's hand to one's face
- 口元にほくろがある
- kuchimoto ni hokuro ga aru
- to have a mole near one's mouth
- 口元に微笑みを浮かべる
- kuchimoto ni hohoemi o ukaberu
- to smile slightly
- (literally, “to float a slight smile near one's mouth”)