敵に塩を送る
 敵に塩を贈る
 てきにしおをおくる
 Expressions (phrases, clauses, etc.)
 Godan verb with `ru' ending
 [from Uesugi Kenshin sending salt to his enemy, Takeda Shingen, when Takeda's salt supply had been cut off]
 to save an enemy from trouble instead of taking advantage of their weakness
 to show humanity even to one's enemy
 to help one's enemy in difficulty

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