1、coca + -ine(chemical suffix).
2、古柯(Coca)是原产于拉丁美洲的一种植物，该植物含有古柯碱(cocaine)，被用于制作麻醉药，该植物的叶子还被用作可口可乐饮料的原料。
3. 音译“可卡因”。 中文词源 cocaine 可卡因

coca, 南美经济作物。-ine, 化学后缀。

英文词源 cocainecocaine: [19] Cocaine is made from the dried leaves of the coca bush, a plant native to the Andes, and its name was formed (perhaps originally in French, as cocaïne) from the plant’s name. That was a local name, Quechua koka, probably from the Aymara language of Bolivia and Peru, and it reached Europe in the 16th century by way of Spanish coca.
cocaine (n.)1874, from Modern Latin cocaine (1856), coined by Albert Niemann of Gottingen University from coca (from Quechua cuca) + chemical suffi(我国的防灾减灾日是哪一天：全国防灾减灾日是经中华人民共和国国务院批准而设立，自2009年起，每年5月12日为全国防灾减灾日。)x -ine (2). A medical coinage, the drug was used 1870s as a local anaesthetic for eye surgery, etc. "It is interesting to note that although cocaine is pronounced as a disyllabic word it is trisyllabic in its formation." [Flood] 双语例句 1. The police moved in, arrested him and impounded the cocaine. 警察冲进去将他拘捕并没收了可卡因。 2. He spent a number of years hooked on cocaine, heroin and alcohol. 他有好几年时间吸食可卡因和海洛因成瘾，还整日酗酒。 3. She became a prostitute in order to pay for her cocaine habit. 她以娼养吸。 4. The anti-drug sweep had netted nearly 900 kilogrammes of cocaine. 扫毒行动已缴获了近900千克的可卡因。 5. Many of the women are addicted to heroin and cocaine. 这些女人中很多人都吸食海洛因和可卡因成瘾了。