What does "echo" stand for?

What is ECHO meaning?
You know, the echo we use to print data like in php , c++ ,etc?

 

echo stands for nothing.. echo stands for echo.. but echo means is to return. a sympathetic or identical response.

 

echo doesn't stand for anything in specific, but it is a language construct.

http://en.wikipedia.org/wiki/Language_construct

 

echo is like cout in C++

 

"echo" is an English word. It comes from a Greek word for sound.

 

in php echo is (slightly) faster than print. perhaps also the same in other languages.

 

Can u please define language construct in simple way

 

An echo is a sound which is caused by a noise being reflected off a surface such as a wall. and in programming aspects you have been answered already

 

An echo is a reflection of sound, you make a noise and later it returns back to you (repeating). They say a duck's quack barely echoes or is hard to hear. One of the best words is two symbols words like 'eck-cho' so I guess thats why they called it an echo.