pot
n.
1
"vessel," from late Old English pott and Old French pot "pot, container, mortar" (also in erotic senses), both from a general Low Germanic (Old Frisian pott, Middle Dutch pot) and Romanic word from Vulgar Latin *pottus, of uncertain origin, said by Barnhart and OED to be unconnected to Late Latin potus "drinking cup." Celtic forms are said to be borrowed from English and French.Slang meaning "large sum of money staked on a bet" is attested from 1823. Pot roast is from 1881; phrase go to pot (16c.) suggests cooking. In phrases, the pot calls the kettle black-arse is from c.1700; shit or get off the pot is traced by Partridge to Canadian armed forces in World War II.
2
"marijuana," 1938, probably a shortened form of Mexican Spanish potiguaya "marijuana leaves."
v.
"to put in a pot," 1610s, from pot, n.1. Related: Potted; potting. Earlier it meant "to drink from a pot" (1590s).
pot
power:
power:
potential, potentate, impotent
词根：pot = drink, 表示“喝”
potable a. 可饮用的（pot+able）
potation n. 畅饮，大喝（pot+ation）
potion n. 一副药水（pot+ion→喝下去的[药水]）
词根：pot = powerful, 表示“有力的”
potent a. 强有力的
potential n. 潜力（由“能力”引申为“潜力”）
impotent a. 无力的（im无+potent）
impotence n. 无力，无能
omnipotent a. 全能的（omni全部+potent）
词根：pot = 饮
这个词根pot与含义是“能力”的词根pot义异同形。
同源词：
1. potable [pot 饮，-able ...可...的]
adj.可饮的，适合饮用的
2. potation [pot 饮，-ation 名词后缀]
n.一次；畅饮，大喝；饮酒；饮料
3. potatory [pot 饮，-atory ...的]
adj.饮酒的；领怀的
4. potion [pot 饮，-ion 名词后缀；“饮剂”→]
n. 一服药水，一剂药水
5. poison [poison <----potion 饮剂→药水→]
n.毒药；毒，毒物
6. poisonous [见上，-ous ...的]
adj.有毒的；有害的；恶毒的
7. poisoner [见上，-er 者]
n.毒害者，毒杀者；放毒者
8. symposium [sym- 共同，pos=pot (t—s音变)饮，-ium 名词后缀；“共饮”→]
n.酒会；[转化为]座谈会，专题讨论
9. compotation [com- 共同，pst 饮，-ation 名词后缀]
n.同饮，共饮
10. compotator [见上，-ator 表示人]
n.同饮者，酒友