Crossword Genius

One feeding giant chimp peanuts regularly for newborn (9)

Ross

I believe the answer is:

incipient

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

'newborn' is the definition.
Both the answer and definition are adjectives. Perhaps they are linked in a way I don't understand?

'one feeding giant chimp peanuts regularly' is the wordplay.
'one' becomes 'i' (Roman numeral).
'feeding' is an insertion indicator (one word is fed by another set of letters).
'regularly' means one should take alternating letters (regularly take one letter, leave next etc.).
'giant'+'chimp'+'peanuts'='giantchimppeanuts'
The alternating letters of 'giantchimppeanuts' are 'incipent'.
'i' put within 'incipent' is 'INCIPIENT'.

'for' is the link.

Can you help me to learn more?

(Other definitions for incipient that I've seen before include "Developing" , "Nascent" , "Beginning to develop" , "Beginning to exist, in an early stage" , "Starting to happen" .)

I've seen this clue in The Telegraph.
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