stuffy (adj.)youdaoicibaDictYouDict[stuffy 词源字典]
1550s, "full of stuff, full of substance" (obsolete); 1831 as "poorly ventilated;" from stuff (n.) + -y (2). Sense of "pompous, smug" is from 1895. Related: Stuffily; stuffiness.[stuffy etymology, stuffy origin, 英语词源]