beurkunden
From LSJ
νῆα μὲν οἵ γε μέλαιναν ἐπ' ἠπείροιο ἔρυσσαν ὑψοῦ ἐπὶ ψαμάθοις, ὑπὸ δ' ἕρματα μακρὰ τάνυσσαν → they pushed the black ship up over the sand onto dry land and placed long beams under her
German > Latin
beurkunden, tabulis od. litteris docere (eig., durch Urkunden beweisen). – probare (übh. beweisen). – declarare (offenbaren, dartun).