train of thought的词源解释,train of thought来源

"succession of connected thoughts," 1650s, from train (n.) in the sense of "series, progression, succession, continuous course" (late 15c.). Older than railroads by over a century.

By "consequence," or "train" of thoughts, I understand that succession of one thought to another, which is called, to distinguish it from discourse in words, "mental discourse." [Hobbes, "Leviathan"; he also on the same page uses train of imaginations]

该词起源时间：1650年代