Transfer elements to enter earnings (6)
I believe the answer is:
income
'earnings' is the definition.
(I've seen this before)
I cannot understand how the remainder of the clue works.
Can you help me to learn more?
(Other definitions for income that I've seen before include "Money from investments or for work" , "See 12" , "Pay earned" , "Financial gain accruing over a given period of time" , "Money gained over time" .)