The most common and most likely answer to this crossword clue is the 6 letter word ECHOED
I've seen this crossword clue in The Guardian
E
C
H
O
E
D
More clues leading to the result ECHOED
- Did second check in English dictionary
- . What about note dictionary duplicated
- Made a resounding comeback
- Slavishly followed job, losing right to interrupt media boss
- Making appearance outside house, city journalist returned
- Local newspaper journalist rang
- Every second of her scene, the words seemed adeptly repeated
- Decrypted code he copied
- Hard interrupting Italian novelist, editor reflected
Buddy explains!

The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does ECHOED mean?
ECHOED verb- (of a sound or sound waves) To reflect off a surface and return.
- To reflect back (a sound).
- (by extension) To repeat (another's speech, opinion etc.).
- To repeat its input as input to some other device or system.
- (whist) To give the echo signal, informing one's partner about cards one holds.