ἡ γὰρ σιωπὴ μαρτυρεῖ τὸ μὴ θέλειν → silence is evidence of unwillingness (Menander)
excurso: āre, 1, v. n. freq. of excurro,I to break forth repeatedly, to make frequent sallies or incursions: ubi plures innumeris videt excursare latebris, Stat. Th. 2, 550.