The Chinese word for herb is
香草

xiāng cǎo

Chinese Definition

herb
1. 草，药草
Components
香
1. fragrant; fragrance
Antonyms: 臭
2. (of food) aromatic; delicious-smelling
3. (of eating) having the appearance that one really enjoys the food; (of sleep) sound
4. (internet slang) wonderful; enjoyable (in general)
5. popular
6. perfume
7. (religion) joss stick; incense
8. (figurative) woman
9. (chiefly Wu) to kiss
10. (Cantonese, euphemistic) to die
11. (Min Nan) Alternative form of 芳 (-, t=fragrant)
草
1. herbaceous plant; herb; weed; wort; grass; forb
草地上有一頭牛在吃草。 - There is one cow eating grass on the lawn.
香草 - fragrant herb
蒿草 - mugwort
2. Used in names of some woody plants
莽草 - Illicium henryi and Illicium lanceolatum
舞草 - Codariocalyx motorius
醉魚草 - Buddleja lindleyana
3. straw
稻草 - rice straw
草鞋 - straw sandals
4. (Cantonese, slang) marijuana; cannabis; weed
㨃deoi2 草 - to smoke weed
5. (dated) countryside; wilderness
落草為wéi寇 - to become a bandit in the countryside
6. common; ordinary
草金魚 - common goldfish
7. (dialectal, chiefly of livestock or poultry) female
8. draft; sketch
9. careless; rough; sloppy
10. to draft
草擬 - to draft; to draw up (a plan)
11. (calligraphy) Short for 草書, cursive script (grass script)
狂草 - wild cursive
12. cursive
13. (chemistry) oxalic
14. Variant of 皂
15. (slang) Alternative form of 肏 (fuck)
16. (neologism, internet slang) LOL
草（中日雙語） - fuck lmao
17. (neologism, internet slang) hilarious
這也太草了吧。 - Isn't this a bit too hilarious?