最善
さいぜん · saizen · JLPT N1 · noun
best
最 — top 冃 (hat/cover) + bottom 取 (take)
Originally a compound suggesting taking something even at risk, with 冃 (a covering, often confused with 日 sun) over 取 (to seize). Over time it shifted from 'to risk taking' to the superlative meaning 'most' or 'extremely', its modern use in Chinese.
善 — sheep 羊 over 言 (speech), simplified to 善
Originally written with 羊 (sheep, auspicious) above two 言 (speech) elements, depicting auspicious or kind words. The form was simplified to one mouth-like base under 羊. The meaning shifted from 'auspicious speech' to the broader senses 'good, virtuous, skilled at.'