The most common and most likely answer to this crossword clue is the 6 letter word SAMUEL
I've seen this crossword clue in The Sunday Telegraph
S
A
M
U
E
L
More clues leading to the result SAMUEL
- Prophetic work with unchanged line about what lies repeatedly in future
- Union occupying identical line
- Rocket propellant lacking force
- Prophet united in corresponding with Levites’ leader
- Prophet fixed us meal
- Biblical character: Uriah’s first encountered in identical line
- Butler who wrote a book
- Muse vaguely about a liberal prophet
Buddy explains!
The straight part
We know that "Prophetic work" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case prophetic work = samuel.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.