Crossword Genius

Roofer accepting two days will create something insignificant (7)

Ross

I believe the answer is:

tiddler

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

'create something insignificant' is the definition.
I can't tell whether this defines the answer.

'roofer accepting two days' is the wordplay.
'roofer' becomes 'tiler' (I've seen this in another clue).
'accepting' indicates putting letters inside (inserted letters are accepted).
'two' says to double the letters.
'days' becomes 'd' (abbreviation for days).
'd' doubled is 'dd'.
'tiler' going around 'dd' is 'TIDDLER'.

'will' is the link.

Can you help me to learn more?

(Other definitions for tiddler that I've seen before include "Small fish (or child?)" , "One small" , "Small fish (colloq,)" , "Tiny fish, child" , "A small fish children try to catch" .)

I've seen this clue in The Times.
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