Lewis & Short

an-nāvĭgo (better adn-), āre, v. n., to sail to or toward, to come to by ship.

      1. a. Absol.: tres (pyramides) sane conspicuae undique adnavigantibus, Plin. 36, 12, 16, § 76.
      2. b. With quo: quo cum adnavigāsset, Plin. 35, 10, 36, § 11.