📖 中文释义
- pref. 不, 缺少, 无
- [医] 不, 无, 缺; 离
📘 English Definition（英文释义）
- A, as a prefix to English words, is derived from various sources.
- (1) It frequently signifies on or in (from an, a forms of AS. on),
- denoting a state, as in afoot, on foot, abed, amiss, asleep, aground,
- aloft, away (AS. onweg), and analogically, ablaze, atremble, etc. (2)
- AS. of off, from, as in adown (AS. ofd/ne off the dun or hill). (3) AS.
- a- (Goth. us-, ur-, Ger. er-), usually giving an intensive force, and
- sometimes the sense of away, on, back, as in arise, abide, ago. (4) Old
- English y- or i- (corrupted from the AS. inseparable particle ge-,
- cognate with OHG. ga-, gi-, Goth. ga-), which, as a prefix, made no
- essential addition to the meaning, as in aware. (5) French a (L. ad
- to), as in abase, achieve. (6) L. a, ab, abs, from, as in avert. (7)
- Greek insep. prefix / without, or privative, not, as in abyss, atheist;
- akin to E. un-.