adnavigo
Could not find adnavigasset in Logeion dictionaries.
adnavigasset Verb: pluperfect active subjunctive 3rd singular of adnavigo
adnavigo, v. annavigo.
ad-nāvigo, s. an-nāvigo.
adnāvĭgō, āvī, āre, intr., naviguer vers : Plin. 35, 81 ; 36, 76.