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vestīgātĭo: ōnis, f. vestigo,I a tracing or searching after (post-class.): Psyche dies noctesque mariti vestigationibus inquieta, App. M. 6, p. 173.
vestīgātĭō, ōnis, f. (vestigo), action de chercher [qqn], recherche : Apul. M. 6, 1.