Once it was said that 'the day should be known to end in a stalemate,' and was said to be the day when all the games end in a draw, that is, 'tomobiki' (both sides end in a draw) and it did not have the present-day meaning.
かつては「勝負なき日と知るべし」といわれ、勝負事で何事も引分けになる日、つまり「共引」とされており、現在のような意味はなかった。