Temporarily give it to pal on the right before finale (4)

I believe the answer is:

lend

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'temporarily give' is the definition.
'lend' can be an answer for 'give' (lending is a kind of giving). I'm unsure of the 'temporarily' bit.

I cannot understand how the rest of the clue works.

Can you help me to learn more?

(Other definitions for lend that I've seen before include "Give the use of for a time" , "Give (a quality) to" , "Let someone borrow" , "Impart" , "Supply (money) at interest" .)

I've seen this clue in The Irish Times.

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