One switch, turned off. Order is the thing that puts each item in its place and each person within the rules; disorderly says that switch is off. Turn it off over objects and you get a heap on the floor; turn it off over people in a street and you get shouting, pushing and the police arriving.

可以想成一個開關被關掉了。order 就是那個「讓每樣東西各就各位、讓每個人守著規矩」的東西;disorderly 說的就是這個開關關掉之後的樣子。關在物品上,地板上就多了一堆沒摺的衣服;關在公共場合的人身上,就變成吵鬧、推擠、警察到場。兩個意思少掉的是同一個 order,只是一個落在東西上,一個落在行為上。

From the word’s history

Wiktionary records the word as disorder + -ly, or alternatively as dis- + orderly — either way, it is 'orderly' with a negative switch in front.

來源記載這個字可以看成 disorder 加上形容詞字尾 -ly,也可以看成 dis-(否定)加上 orderly,兩種拆法都成立。不管哪一種,結果都一樣:它就是 orderly 前面掛上一個否定的開關,所以整個字的核心永遠是「缺了秩序」。

Wiktionary entry supplied in this packet (kaikki:3f6f69a190036ae4:832862951), etymology_text: "From disorder + -ly (adjectival suffix) or from dis- + orderly."

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