reward, appreciate

賞 is composed of 尚 (esteem) and 貝 (shell). 尚 is a pictograph of an ancient tribunal, symbolizing fairness and justice. 貝 is a pictograph of a seashell, which was used as currency in ancient times, representing wealth. To commend someone for their merits, it must be done fairly and justly, and wealth can be used as a reward, as represented by 賞.