To issue echo characters, protocol responses, reflexive connection requests, etc.(verb)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "answer back" in a sentence
"The gentleman brought this answer back to the Viscount de Chartres, which increased the uneasiness he was under already, and added new vexations to it: after having continued some time in an irresolution what to do, he found that the Duke de Nemours was the only person whose assistance could draw him out of this intricate affair."
"A bit o 'a helpless thing as canna answer back yo're jeers!"