visnau

viṣṇau unto Lord Viṣṇu (not to anyone else); SB 7.5.23-24
viṣṇau in Lord Viṣṇu, the Supersoul; SB 11.15.15
viṣṇau unto the Supreme Personality of Godhead, Viṣṇu; CC Madhya 9.259-260
viṣṇau in Lord Viṣṇu, or Kṛṣṇa; CC Madhya 23.8