Crossword Genius

Around Snowdonia, eccentric vet makes little ripples (8)

Ross

I believe the answer is:

wavelets

I'm a little stuck... Click here to teach me more about this clue!

'ripples' is the definition.
('wavelet' can be a synonym of 'ripple')

'around snowdonia eccentric vet makes little' is the wordplay.
I cannot quite see how this works, but
'makes' could be 'lets' (letting is a kind of making) and 'lets' is present in the answer.
The remaining letters 'wave' is a valid word which might be clued in a way I don't see.
This may be the basis of the clue (or it may be nonsense).

Can you help me to learn more?

I've seen this clue in The Irish Times.
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