礎 cornerstone, foundation stone 18 strokes jōyō, taught in secondary school old JLPT 1 #1224 in newspapers Readings Onソ Kunいしずえ In Chinese 础, traditional 礎 Words written with it 基礎 きそ foundation N2 礎 いしずえ foundation stone 基礎控除 きそこうじょ basic or standard deduction 礎石 そせき foundation stone