The most common and most likely answer to this crossword clue is the 8 letter word ECLIPSES
I've seen this crossword clue in The Guardian
E
C
L
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P
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More clues leading to the result ECLIPSES
Buddy explains!

The straight part
We know that "shrouds" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shrouds = eclipses.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 ECLIPSES mean?
ECLIPSES noun- An alignment of astronomical objects whereby one object comes between the observer (or notional observer) and another object, thus obscuring the latter.
- Especially, an alignment whereby a planetary object (for example, the Moon) comes between the Sun and another planetary object (for example, the Earth), resulting in a shadow being cast by the middle planetary object onto the other planetary object.
- A seasonal state of plumage in some birds, notably ducks, adopted temporarily after the breeding season and characterised by a dull and scruffy appearance.
- Obscurity, decline, downfall
- Of astronomical bodies, to cause an eclipse.
- To overshadow; to be better or more noticeable than.
- (Irish grammar) To undergo eclipsis.
- An omission of words needed to fully express the sense of a phrase
- A line or dash used to show that text has been omitted
- (Irish grammar) A mutation of the initial sound of a word by which voiceless sounds become voiced, voiced stops become nasal consonants, and vowels acquire a prothetic nasal consonant: see Appendix:Irish mutations#Eclipsis.