What does the cryptic crossword clue "Alastair, on edge, did some housework inside (6)" mean?

The definition is "did some housework". The wordplay uses a hidden word. Hidden in [ inside ] “Alasta IR ON ED ge” The answer is IRONED.

Alastair, on edge, did some housework inside (6)

Guardian Cryptic #29036 | 9 Across | 2023-04-05 flower