It happens sometimes that rather useful words disappear. A word like thence, for example, is very useful, and has to be replaced if it is taken out of the language by something less concise (and less elegant), namely from there. It's rather mysterious to me that this should happen. Why do such words ever fall out of use?

  • 3
    Because language is not (most of the time) something that people deliberately shape: not for concision, or for any other purpose. It is something that most people use without introspection, and may not even be aware whether they are adopting novel forms of expression (and hence, often, dropping existing forms). [Notice that I used hence, quite naturally!]
    – Colin Fine
    May 23, 2019 at 23:35
  • 3
    If you look at the paradigm that thence fits into, you see that it's in ruins in Modern English, with some words still in use, but plenty more unable to find a nesting place now that the categories aren't clear and inflection is dying.
    – jlawler
    May 24, 2019 at 1:20

2 Answers 2


As @jlawler pointed out in the comments, there was a whole paradigm of words like thence, and therein lies the problem with such non-transparent terms, however elegant they are: they usually come in pairs, and it's hard to remember which is which. What's more, they often sound similar.

Not many people will mix up horizontal and vertical because at least one of these terms is completely transparent. We all know which way the horizon goes.

Then there's something like starboard and port, which is actually more transparent than left/right, but only for seafarers. The rest of us struggle to remember them correctly, but at least they sound very different, giving our memory something to latch on to.

And then there's the nightmare-difficulty level, neither transparent nor dissimilar: convex and concave, or longitude and latitude. And this is where I think pairs like thence and thither belong. So I'd guess eventually people just gave up.

  • are you suggesting there was always a problem with these words for at lot of people? i suppose the old from whence bears witness to a tendency to reaffirm something non-obvious
    – Toothrot
    May 24, 2019 at 9:44

To elaborate on the others' comments about paradigms: although misfortune can befall individual words, you do have to look at the whole system.

With "thence" we lost "whence" and the non-figurative sense of "hence" ("Get thee hence"). We lost "henceforth" and "thenceforth". We lost "thither", "whither", and "hither". We lost "wherefore" and "therefore" became elevated. "Hereafter" and "thereafter" were relegated to fixed meanings and poetic diction. "Wherein", "therein", "herein" went the way of "whereupon", "thereupon", "hereupon".

In short, our prepositions became more atomic. This is arguably a minor typological shift from synthetic to analytic. Individual pieces combine to yield the meaning. Less concise, but less space in memory.

Broaden your search further and you find verbal endings being neutralized in favour of explicit subjects, separate from the verb. A future tense grows out of the repurposed particle "will". Particles abound.

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