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excommunication (n.)[excommunication 词源字典]: mid-15c., from Late Latin excommunicationem (nominative excommunicatio), noun of action from past participle stem of excommunicare "put out of the community," in Church Latin "to expel from communion," from ex- "out" (see ex-) + communicare, from communis "common" (see common).[excommunication etymology, excommunication origin, 英语词源]
expectorate (v.): c. 1600, "to clear out the chest or lungs," a literal use of Latin expectoratus, past participle of expectorare, which in classical use was figurative, "scorn, expel from the mind," literally "drive from the breast, make a clean breast," from ex- "out" (see ex-) + pectus (genitive pectoris) "breast" (see pectoral (adj.)). Its use as a euphemism for "spit" is recorded by 1827. The classical Latin figurative sense appears in English 17c. but is now obsolete. Related: Expectorated; expectorating.
alexipharmic: "A medicine or treatment believed to protect against, counteract the effects of, or expel from the body a noxious or toxic substance, especially a poison or venom; an antidote; (in later use) especially a remedy for snakebite", Early 17th cent.; earliest use found in John Woodall (1570–1643), surgeon. Alteration of alexipharmac, after e.g. diuretic, diuretic).