What does the cryptic crossword clue "I dug in at work, doing the job of accountants? (8)" mean?

The wordplay uses an anagram. anagram of I + DUG + IN + AT = AUDITING The answer is AUDITING.

I dug in at work, doing the job of accountants? (8)

Daily Mail Cryptic #17551 | 3 Down | 2025-02-10 flower