housebreak (v.)youdaoicibaDictYouDict[housebreak 词源字典]
1820, "to break into a house criminally;" see house (n.) + break (v.). Perhaps a back-formation from housebreaker, attested from mid-14c. Sense of "to train a domestic animal to be clean in the house" is from 1881. Related: Housebreaking; housebroken.[housebreak etymology, housebreak origin, 英语词源]