訓 うす,うすづ(く) ・ 音 キュウ,グ
漢越音: cữu
A pictograph of a mortar seen from the side with grains inside. Also used in 脱臼 (dislocation of a joint).
Stroke data: KanjiVG (CC BY-SA 3.0) — kanjivg.tagaini.net
臼と杵で餅をつく。 (うすときねでもちをつく)
We pound mochi with a mortar and pestle.