- cul-de-sac (n.)
[cul-de-sac 词源字典]
- 1738, as an anatomical term, from French cul-de-sac, literally "bottom of a sack," from Latin culus "bottom, backside, fundament." For second element, see sack (n.1). Application to streets and alleys is from 1800.[cul-de-sac etymology, cul-de-sac origin, 英语词源]