Crossword Genius

I go deeper leaving nothing out in family tree (8)

Ross

I believe the answer is:

pedigree

'family tree' is the definition.
(pedigree is a kind of family tree)

'i go deeper leaving nothing out' is the wordplay.
'leaving' is a deletion indicator.
'nothing' becomes 'o' (looks like zero - 0).
'out' is an anagram indicator (out can mean wrong or inaccurate).
'i'+'go'+'deeper'='igodeeper'
'igodeeper' with 'o' removed is 'igdeeper'.
'igdeeper' with letters rearranged gives 'PEDIGREE'.

'in' acts as a link.

(Other definitions for pedigree that I've seen before include "(Distinguished) lineage" , "Record of descent" , "Pure lineage" , "Lineage, ancestry" , "High-class" .)

I've seen this clue in The Independent.
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