The most common and most likely answer to this crossword clue is the 8 letter word EMPORIUM
I've seen this crossword clue in The Daily Telegraph
E
M
P
O
R
I
U
M
More clues leading to the result EMPORIUM
- Big store I line up with little hesitation, raking millions in
- Store up memoir for play
- Invest nothing in redevelopment of premium store
- English politician, one going into old drink shop
- Funny poem: eccentric keeps one in store
- Curious about one poem composed on Top Shop
- Nothing accepted by fashionable premium store
Buddy explains!

The straight part
We know that "shop" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shop = emporium.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 EMPORIUM mean?
EMPORIUM noun- A city or region which is a major trading centre; also, a place within a city for commerce and trading; a marketplace.
- A shop that offers a wide variety of goods for sale; a department store; (with a descriptive word) a shop specializing in particular goods.
- A business set up to enable foreign traders to engage in commerce in a country; a factory (now the more common term).
- (by extension) The brain.