The works of Ādi Śaṅkarācārya

Viṣṇusahasranāmastotram

Verse 399

वर्षाणि परमप्रीतः स्थास्यामि वचने तव ॥

In plain words

For years, and gladly — I will stand by your word.

Close to the Sanskrit

For years, supremely pleased, I shall stand in your word.