“Yield / Bend / Flinch / Submit” in Japanese is 屈, read kutsu, kaga (くつ, かが). It is a Jōyō kanji taught in Japanese secondary school (junior & senior high) — the 高手 · Master tier beyond the grade 1–6 Kyōiku set, and appears in words such as 屈折 (refraction).
What does 屈 mean?