Meaning of てだい in Japanese

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Definition of てだい

てだい(tedai) 【手代】

おもてだい(omotedai) 【重手代】

しょうのむしをころしてだいのむしをいかす(shounomushiwokoroshitedainomushiwoikasu) 【小の虫を殺して大の虫を生かす】

(exp) to sacrifice something small in order to save something great; to lose a leg to save one's life; to kill a small bug and save a large one

しょうのむしをころしてだいのむしをたすける(shounomushiwokoroshitedainomushiwotasukeru) 【小の虫を殺して大の虫を助ける】

(exp) to sacrifice something small in order to save something great; to lose a leg to save one's life; to kill a small bug and help a large one