勝かたれぬ

noun-modifying (irregular)

unable to win; cannot win

Classical Japanese negative potential form of 勝つ (to win). Functions as a prenominal modifier (連体形) meaning 'unwinnable' or 'one that cannot be won'. Not used in modern colloquial Japanese; modern equivalent is 勝てない.

• 勝かたれぬ戦たたかいに挑いどむは愚おろかなり。

  It is foolish to challenge a battle that cannot be won.