The most common and most likely answer to this crossword clue is the 4 plus 6 letter word LAST SUPPER
I've seen this crossword clue in The Guardian
L
A
S
T
S
U
P
P
E
R
More clues leading to the result LAST SUPPER
- Stay with drinker for meal before suffering
- Cobbler's materials required for carpenter's farewell
- Wall painting survives, higher
- Notable meal continues with stimulating stuff
- Work of Da Vinci remains superior
- Salt’s ruined important meal with terrible consequences?
- Painting of model’s footwear
- Endures happy poetry, evens out meal on Maundy Thursday?
- Survives amphetamine feast of biblical importance
Buddy explains!
The straight part
We know that "Wall painting" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wall painting = last supper.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.