What part of speech is echo?

"Echo" can be a few different parts of speech depending on how it's used:

* Noun: When referring to the phenomenon of sound waves bouncing back.

* Example: "The echo of the gunshot rang through the canyon."

* Verb: When describing the act of repeating or mirroring something.

* Example: "The children echoed their father's laughter."

* Adjective: Used to describe something that is a copy or imitation of something else.

* Example: "The painting was an echo of the artist's earlier style."

So, it depends on the context!