The works of Ādi Śaṅkarācārya

Viṣṇusahasranāmastotram

Verse 414

इति नाम्नां पञ्चमं शतं विवृतम् ॥

In plain words

And with that, the fifth hundred of the names stands opened out.

Close to the Sanskrit

Thus the fifth hundred of the names has been expounded.