四無礙解

(or 四無礙智 or 四無礙辯). pratisaṃvid, the four unhindered or unlimited bodhisattva powers of interpretation, or reasoning, i. e. in 法 dharma, the letter of the law; 義 artha, its meaning; nirukti, in any language, or form of expression; 樂說 pratibhāna, in eloquence, or pleasure in speaking, or argument.