The most common and most likely answer to this crossword clue is the 7 letter word EPHRAIM
I've seen this crossword clue in Financial Times
E
P
H
R
A
I
M
More clues leading to the result EPHRAIM
- Seraphim forced to abandon second tribe
- Joseph's son puts one in broken hamper
- Biblical figure‘s end, after brief record period
- Joseph’s boy’s record target? About an hour
- Record weird hair on male in ancient tribe
- I’m happier somehow, having abandoned pious biblical tribe
- Record harim played for tribal leader
- Tribe leader right to tuck into cooked ham pie
- Tribe of Israel record that man accepting Egyptian god
Buddy explains!
The straight part
We know that "Joseph’s boy" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case joseph’s boy = ephraim.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.