法界次第初門 1.87

1.87

外六塵入：一色入、二聲入、三香入、四味入、五觸入、六法入。

The six external sense-object āyatanas: first, the form āyatana; second, the sound āyatana; third, the odor āyatana; fourth, the taste āyatana; fifth, the tangible āyatana; sixth, the mental-object āyatana.