好調
こうちょう · kouchou · JLPT N1 · na-adj
in good shape
好 = good + 調 = tune or condition: good tune, so in good shape
調 means tune or adjust, as in tuning an instrument or a machine's settings. Add 好 (good) and you get well-tuned and running smoothly, meaning in good condition.
好 — woman 女 + child 子
好 is an associative compound showing a woman 女 beside a child 子, depicting a mother with her baby. From this image of maternal affection it came to mean 'good, fine, pleasing.' The reading hǎo means 'good'; read hào it means 'to like.'