The most common and most likely answer to this crossword clue is the 8 letter word LEATHERN
L
E
A
T
H
E
R
N
More clues leading to the result LEATHERN
Buddy explains!

The straight part
We know that "made of tanned hide" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case made of tanned hide = leathern.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 LEATHERN mean?
LEATHERN adjective- Made of leather.