“心理活动的行为或产物,”古英语 þoht, geþoht “思考过程,一个想法;同情,”来自 þencan “在脑海中构思,考虑”(参见 think)。与德语 Gedächtnis “记忆”,Andacht “注意,献身”,Bedacht “考虑,审议”中的第二个元素同源。
Bammesberger(《英语词源学》)解释说,在日耳曼语中,-kt- 通常转变为 -ht-,并且在 -ht- 前的鼻音被省略。原始日耳曼语 *thankija- 在过去时添加了后缀 -t。通过第一种模式,日耳曼形式为 *thanht-,通过第二种模式,古英语为 þoht。
牛津英语词典引用了沃尔特·惠特曼和艾米莉·迪金森拼写为 thot。19世纪的一个次要或劣质的可能是 thoughtlet(1846),thoughtling(1848),或 thoughtkin(1867),
Second thought “后来的考虑”记录于1640年代。Thought-crime 来自《一九八四》(1949);thought police 证明于1945年,最初是指战时日本特高课(Tokubetsu Koto Keisatsu)。
I do not wish to be any more busy with my hands than is necessary. My head is hands and feet. I feel all my best faculties concentrated in it. My instinct tells me that my head is an organ for burrowing, as some creatures use their snout and fore-paws, and with it I would mine and burrow my way through these hills. I think that the richest vein is somewhere hereabouts ; so by the divining rod and thin rising vapors I judge ; and here I will begin to mine. ["Walden"]