- sober (v.)
[sober 词源字典]
- late 14c., "reduce to a quiet condition" (transitive), from sober (adj.). Meaning "render grave or serious" is from 1726. Intransitive sense of "become sober" (since 1847 often with up) is from 1820. Related: Sobered; sobering.[sober etymology, sober origin, 英语词源]