The first word under the prefix "草" is:
草 cǎo
Explanation:
1. Among higher plants, except trees, crops, A general term for plants with soft stems other than vegetables; broadly speaking, it refers to plants with relatively soft stems, including crops and vegetables: Qing~. Wild~. Mao~. Water~. Flower~. ~ Shoes. ~Tang (a thatched hall, used by literati in the old days to call themselves a residence in the mountains, with the meaning of being humble). ~Original. ~ Ping. ~ Sleeping in the open air. ~Suga Renming.
2. Specifically refers to the stems and leaves of rice and wheat used as fuel and feed: ~ material. Chai~. Rice~.
3. Rough, not meticulous: ~ rate (shuài). ~Despicable (rude and unsophisticated). ~ Tools (cheap food).
4. A kind of calligraphy style of Chinese characters: ~书. ~ word (also an alias for calling oneself modestly in the old days). Zhang~ (a kind of cursive script, the strokes retain some of the strokes of official script, so it was named "Zhangcao" because it was originally used for memorials). Crazy~. ~ style (?refers to cursive script of Chinese characters;?handwriting style of pinyin text, which can be divided into big cursive and small cursive).
5. Draft, also refers to manuscript; extended to preliminary, informal: ~ draft. ~Edict (drafting an edict for the emperor).
6. Wilderness, wilderness, extended to the wild and folk: ~ wild. ~ Reckless. ~ Kou. ~ Thief.
7. Female (used for some livestock and poultry): ~ chicken.