One worker's post inside a bigger working place. Someone has marked out a small area, put everything that job needs within arm's reach, and it is yours while you are working. The word then slides easily from the post to the main thing standing on it.
可以想成一個更大的工作場所裡，屬於某一個人的據點。有人劃出一小塊地方，把這份工作需要的東西都放在伸手可及的範圍內，上班的時候那裡就是你的。這個字之後就很自然地從「那個據點」滑到「據點上最主要的那台機器」。
From the word’s history
The packet gives the compound only: work + station. Station is a fixed place where something stands, so a workstation reads as a fixed place set up for work.
本包裹的字源資料只說它是 work 加 station 的複合字。station 指某個東西固定站著的地方，所以 workstation 讀起來就是「為工作設好的固定位置」。
Wiktionary entry ‘workstation’ (source_ref kaikki:3f6f69a190036ae4:998831209:17221): etymology_text ‘From work + station.’
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