anon
/əˈnɒn/adverb
- archaic or informal soon; shortly〈古, 非正式〉少顷, 旋即：
I'll see you anon.
我会立刻与你见面的。
词源
Old English on ān 'into one'， on āne 'in one'. The original sense was 'in or into one state， course， etc.'， which developed into the temporal sense 'at once'.