The most common and most likely answer to this crossword clue is the 7 letter word TOEHOLD
I've seen this crossword clue in Financial Times
T
O
E
H
O
L
D
More clues leading to the result TOEHOLD
- Do hotel breaks: useful base for mountaineer?
- Purchase ordered: love what’s included!
- Hotel do breaks: it’s what the climber needs
- Tug damaged by torpedo, maybe, reportedly first established position
- Tiny ledge for climber to view, lacking breadth
- Purchase storage on ship heading eastbound
- Hotel possibly covering over origin of defects gains first advantage
- Advantageous place to see bishop departing
- What climber may need to carry crossing face of Eiger
- Tool he’d fashioned, something of use to climbers
Buddy explains!

The straight part
We know that "Purchase" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case purchase = toehold.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 TOEHOLD mean?
TOEHOLD noun- A foothold small enough to support just the toe.
- (by extension) Any small advantage which allows one to make significant progress; a slight footing or foothold.
- A hold in which the aggressor bends back the opponent's foot.