The story
Denis Diderot described it after a dinner where a remark left him speechless: he only found his answer at the bottom of the stairs. English borrowed the whole phrase, while its own old word for the same thing, afterwit, faded away.
less-PREE duh less-kal-YAY[lɛspʁi d(ə) lɛskalje]
thinking of the perfect reply only once it is too late
Closest in English: hindsight, afterwit, comeback. None of them covers it.
Denis Diderot described it after a dinner where a remark left him speechless: he only found his answer at the bottom of the stairs. English borrowed the whole phrase, while its own old word for the same thing, afterwit, faded away.
Contains the answers. If you want to play the word yourself first, leave this closed.