- exterminator (n.)
[exterminator 词源字典]
- c. 1400, "an angel who expells (people from a country)," from Late Latin exterminator, from past participle stem of Latin exterminare (see exterminate). As a substance for ridding a place of rats, etc., by 1848; as a person whose job it is to do this, by 1938.[exterminator etymology, exterminator origin, 英语词源]