仁王經疏 3.290

3.290

釋曰：第二、辨其住位。言須陀洹者，有其二義：一逆流、二修習。於此地中起道品觀，逆五見流，集無量德故，名住須陀洹位。依《瑜伽》等，翻為預流。預者入也、流即流類，初入聖流，故名預流。

Explanation: Second, distinguishing their abiding rank. As for *srotāpanna* (須陀洹), it has two meanings: first, going against the stream; second, repeated practice. In this bhūmi, giving rise to the contemplation of the limbs of the path, going against the stream of the five views, and gathering immeasurable virtues, one is said to abide in the rank of a srotāpanna. According to the *Yogācārabhūmi* and other texts, it is translated as 'stream-enterer'. 'Entering' means going into; 'stream' means the category of flow; because one initially enters the stream of the nobles, it is named 'stream-enterer'.