epistle
noun /ɪˈpɪsl/
/ɪˈpɪsl/
- Epistleany of the letters in the New Testament of the Bible, written by the first people who followed Christ
使徒书信，宗徒书信（《圣经 · 新约》书卷） - the Epistles of St Paul
圣保罗书信
- the Epistles of St Paul
- (formal or humorous) a long, serious letter on an important subject
（文体郑重、内容重要、篇幅较长的）书信
词源Old English, via Latin from Greek epistolē, from epistellein ‘send news’, from epi ‘upon, in addition’ + stellein ‘send’. The word was reintroduced in Middle English from Old French.