The most common and most likely answer to this crossword clue is the 6 letter word ON-DIT
O
N
-
D
I
T
More clues leading to the result ON-DIT
Buddy explains!
The straight part
We know that "Canard" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case canard = on-dit.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.