kekomi-ishi 蹴込石

Also called uchikomi-ishi 打込石. Lit. "kick-in stones." The stones used under the sill *dodai 土台 to fill the empty spaces between the base stones neko-ishi 猫石 that support the pillars of a wooden building or fence. In tea architecture, these gaps are filled with small stones called *sashi-ishi 差石.