overdose (n.)youdaoicibaDictYouDict[overdose 词源字典]
1700, "an excessive dose," from over- + dose (n.).[overdose etymology, overdose origin, 英语词源]
overdose (v.)youdaoicibaDictYouDict
1727, "to administer medicine in too large a dose" (transitive); from 1968 as "to take an overdose of drugs;" see over- + dose (v.). Related: Overdosed; overdosing.