godan verb (-su), transitive verb
call back; recall
To call someone back (e.g., after they have left or to return a call), or to recall someone (summon them back).
忘れ物をしたので、彼を呼び返した。
I called him back because he forgot something.
急用ができたので、先
An urgent matter came up, so I called back the colleague who had gone ahead.