Akademik

1. noun lang=fr|/ˈekəʊ/

a) A reflected sound that is heard again by its initial observer.

b) The displaying on the command line of the command that has just been executed.

2. verb lang=fr|/ˈekəʊ/

a) To reflect off of a surface and return to someone who has heard it already.

b) To repeat back precisely what another has just said: to copy in the imitation of a natural echo.