それで、ようやく見つけた言葉が Exeoという言葉です。
exeo: to go out, go forth, go away, depart, withdraw, retire
そして exireはどうもこの動詞の変化形で複数の者に対して命令しているらしい(自信ありません)。
... actors should leave the stage. Plural of "exit". Derived from the Latin word exire which means to go out. This is a stagedirection that dates back to the 15th century which instructs the characters to leave the stage.
■ラテン語[exeo, exii (exivi), exitum, exire]
intransit. , [to go out, go away, go forth; to pass from] state to state;[to get out, to become known]; of time, [to come to an end, pass away];transit., [to pass over]; also [to ward off].