- babysitter (n.)
[babysitter 词源字典]
- also baby-sitter, 1914, from baby (n.) + agent noun from sit (v.). Short form sitter is attested from 1937.[babysitter etymology, babysitter origin, 英语词源]
- sitter (n.)
- c. 1300, "one that sits," agent noun from sit (v.). As short for baby-sitter from 1937.