This is the 12302nd most frequent Russian word.
исходящего
"Outgoing."
Adjective describing the letter being sent out.
Я проверил текст исходящего письма.
I checked the text of the outgoing letter.
Adjective referring to a message being sent out.
В исходящем сообщении были указаны все детали.
The outgoing message included all the details.
Adjective describing the call being made.