Adequate space to move around ... as found in this puzzle's circled letters? (9)
![Ross](/clue/static/ross-mug.min.png)
I believe the answer is:
elbowroom
(Other definitions for elbowroom that I've seen before include "Space to function" , "Lower boom to make working space" , "Enough space to work or move in - flex arm" , "Enough scope to function" , "Leeway" .)