Used some oil from a seed possibly (5)

I believe the answer is:

eased

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'used some oil' is the definition.
Although both the answer and definition are past participle verbs, I don't see how one could define the other.

'a seed possibly' is the wordplay.
'possibly' is an anagram indicator.
'a'+'seed'='aseed'
'aseed' anagrammed gives 'EASED'.

'from' acts as a link.

Can you help me to learn more?

(Other definitions for eased that I've seen before include "Given relief" , "Relaxed" , "Made less difficult, relieved from anxiety" , "Released pressure" , "Soothed - assuaged" .)

I've seen this clue in The Globe and Mail.

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