矫正
jiǎo zhèng · HSK 7
to correct
🦷👓 矫 straighten + 正 upright = correct a defect (teeth, vision, hearing)
正 — one 一 + stop 止
Originally an ideograph showing a foot (止) advancing toward a target line (一), meaning 'to march straight toward' a city or goal. From this came the senses 'upright,' 'correct,' and 'proper.' The military sense survives in 征 (to campaign), which took over the original 'march' meaning.