Ἢ λέγε τι σιγῆς κρεῖττον ἢ σιγὴν ἔχε → Sile, melius vel loquere silentio → Was besser ist als Schweigen, sage oder schweig
vestīgātĭo: ōnis, f. vestigo,
I a tracing or searching after (post-class.): Psyche dies noctesque mariti vestigationibus inquieta, App. M. 6, p. 173.