名詞 deponent:

1. a person who testifies or gives a deposition
   同義詞：testifier, deposer

de.po.nent

adj.Abbr. dep.,dpt.Grammar （形容詞）縮寫(xiě) dep.,dpt.【語(yǔ)法】
Being a verb of active meaning but passive or middle form, as certain Latin and Greek verbs.
異相的：具有主動(dòng)意義，但同時(shí)又有被動(dòng)或中間形式的動(dòng)詞的（就如同某些拉丁語(yǔ)和希臘語(yǔ)中的動(dòng)詞）
n.Abbr. dep.,dpt.（名詞）縮寫(xiě) dep.,dpt.
Grammar A deponent verb.
【語(yǔ)法】 異相動(dòng)詞
Law One who testifies under oath, especially in writing.
【法律】 宣誓證人：寫(xiě)下宣誓書(shū)的證人

來(lái)源：
Middle English
中古英語(yǔ)
from Latin dôpônôns dôpônent- [present participle of] dôpônere [to put down] * see depone
源自 拉丁語(yǔ) dôpônôns dôpônent- [] dôpônere的現(xiàn)在分詞 [放下] *參見(jiàn) depone