膝
ひざ · hiza · JLPT N3 · noun
knee
🦵 hiza sounds like he's a: he's a kneeler, down on his knees
The left side 月 is the flesh radical, which marks body parts. The right side 桼 means lacquer tree and gives the on-reading shitsu, as in 膝蓋 (knee joint). The word hiza also means lap, the flat part a cat sits on.