-avistis

== Latin == === Alternative forms === -āstis (poetic, syncopated) === Etymology === From -istis (second person plural present perfect ending) added to the perfective infix -āv-. === Suffix === -āvistis second-person plural perfect active indicative of -ō (first conjugation; verbs with the perfect infix -av-) ==== Descendants ==== See -āstis.