Crossword Genius

Agree to catch up, showing sinew (6)


I believe the answer is:


'sinew' is the definition.
('tendon' can be a synonym of 'sinew')

'agree to catch up' is the wordplay.
'agree' becomes 'nod' (I've seen this before).
'to catch' becomes 'net' (netting is a kind of catching).
'up' says the letters should be written in reverse (in down clue: letters go upwards).
'nodnet' backwards is 'TENDON'.

'showing' is the link.

(Other definitions for tendon that I've seen before include "Muscle attacher" , "personal connecting link" , "Sinew, maybe 3" , "Tissue cord connecting muscle to bone" , "In words" .)

I've seen this clue in the Evening Standard.
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