What does the cryptic crossword clue "Getting on with manipulation for e.g. gain (6)" mean?

The definition is "Getting on". The wordplay uses an anagram. anagram of E.G. + GAIN = AGEING; definition: "Getting on" The answer is AGEING.

Getting on with manipulation for e.g. gain (6)

Daily Mail Cryptic #17597 | 13 Across | 2025-04-15 flower