One way to picture it: a lot of something leaves your hands at once because it is being sold. Not one item at a time — a whole load of it, in a short stretch of time. Who is holding the things changes from use to use: a company, a government, or a crowd of people who all own shares.

可以想成這樣一個畫面:手上的東西一次大批離開,因為被賣掉了。不是慢慢賣一兩樣,而是一整批,在很短的時間裡清掉。名詞 sell-off 指的是「這一整件事」,不是某個人的一個動作。不同用法差在拿著東西的是誰:可能是一家公司、可能是政府,也可能是一大群手上有股票的人。

From the word’s history

The source marks the noun as deverbal from the phrasal verb sell off.

來源註明這個名詞是從動詞片語 sell off 直接變來的(deverbal from sell off),所以它天生就帶著「把東西從手上清掉」的動作感。

Wiktionary entry for sell-off (etymology_text: 'Deverbal from sell off.'), supplied in the evidence packet

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