把別人整個人穿上
這一支就是核心畫面本身；兩個意思的差別只在有沒有人被騙。
verb · B2
To pretend to be another person by copying the way they look, sound and behave, usually so that other people believe you really are that person.
冒充、假扮
核心畫面
The word can be read in three pieces: im- (into), person, -ate (do). One way to hold it is 'step into a person'. You put on someone's face, voice and walk and move around inside them for a while. Everything the word does turns on one question: does anyone believe it is really them? When yes, it is a con. When no, it is a performance. In computing, the 'person' you step into is an account.
這個字可以拆成三塊：im-（進入）＋ person（人）＋ -ate（做）。一種想法是「走進一個人裡面」。你把他的臉…更多收起
這個字可以拆成三塊：im-（進入）＋ person（人）＋ -ate（做）。一種想法是「走進一個人裡面」。你把他的臉、聲音、走路方式穿上，暫時待在裡面。接下來所有用法都看同一個問題：有沒有人真的以為那就是本人？有，就是冒充。沒有，就是表演。在電腦領域裡，你走進去的那個「人」變成一個帳號。From the word’s history
Wiktionary's tree gives im- + person + -ate, with person going back through Middle English persoun to Latin persōna. The modern verb still says exactly that: to put a person on.
字源資料把它拆成 im- ＋ person ＋ -ate，person 經中古英語 persoun 回到拉丁文 persōna。今天的動詞講的還是同一件事：把一個人穿上身。
Wiktionary via the supplied evidence packet (kaikki:3f6f69a190036ae4:1205003168:13960), etymology tree 'From im- + person + -ate (verb-forming suffix).'
Two branches
電腦裡的借用身分
同樣是「站到某個人的位置上」，只是這次的「人」是系統裡的一個帳號，而且這是正常、被允許的功能。
verb · C1
In computing: to run something using another user account's permissions, so that the system treats the action as if that user had done it.
以他人身分執行（權限）