Unwound broadcast after change of axis (7)
I believe the answer is:
relaxed
'unwound' is the definition.
('relax' can be a synonym of 'unwind')
I don't understand how the rest of the clue works.
Can you help me to learn more?
(Other definitions for relaxed that I've seen before include "Slackened" , "Easy-going" , "Laid back" , "Took it easy, loosened up" , "Unstressed" .)