Crossword Genius

Being agitated may be a source of quarrels (7)

Ross

I believe the answer is:

aquiver

'being agitated' is the definition.

'a source of quarrels' is the wordplay.
'source of quarrels' becomes 'quiver' (a quiver contains arrows - a quarrel is an arrow).
'a'+'quiver'='AQUIVER'

'may be' is the link.

(Other definitions for aquiver that I've seen before include "Trembling" , "far from steady" , "shaking" , "Flickering" , "shuddering" .)

I've seen this clue in The Times.
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