The most common and most likely answer to this crossword clue is the 3 plus 2 plus 2 letter word AND SO ON
I've seen this crossword clue in The Sunday Telegraph
A
N
D
S
O
O
N
More clues leading to the result AND SO ON
- I won’t itemise the rest, even quickly
- Soon to collect medal plus other things
- Not known for accepting military decoration, etc
- ‘Then!’ … ‘Any minute now!’ …
- Old dons with child, etc
- An order given to cricket side, etc
- Woman collects copper, rings etc
- 'Then!' ... 'Any minute now!' ...
- It’s not known who wrote that about military decoration etc
- Shortly after a new day, more of the same
Buddy explains!
The straight part
We know that "etc" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case etc = and so on.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.