かいす

介す

表記・読み：かいす

1. 1

   to use as an intermediary; to mediate; to assist

   五段動詞（す）su verb - precursor to the modern suru他動詞
2. 2

   to worry; to mind; to care

   五段動詞（す）su verb - precursor to the modern suru他動詞