Crossword Genius

A burden from one side to the other (6)

Ross

I believe the answer is:

across

'from one side to the other' is the definition.
(I've seen this before)

'a burden' is the wordplay.
'burden' becomes 'cross' (someone's particular burden is their cross).
'a'+'cross'='ACROSS'

(Other definitions for across that I've seen before include "...this is 'Number Ten'" , "sort of clue?" , "Transversely" , "Unlike this clue" , "As this is entered" .)

I've seen this clue in The Sun.
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