missive

名词 missive:

1. a written message addressed to a person or organization
   同义词：letter

mis.sive

n.（名词）
A written message; a letter.See Synonyms at letter
信件：书写下来的信息参见 letter

来源：
From Middle English (letter) missive [(letter) sent (by superior authority)]
源自 中古英语 (letter) missive [（由高层权威机构）送来的（信件）]
from Medieval Latin (littere) missove [feminine pl. of] missovus [sent]
源自 中世纪拉丁语 (littere) missove [] missovus的阴性复数 [被送]
from Latin missus [past participle of] mittere [to send]
源自 拉丁语 missus [] mittere的过去分词 [送]