What does the cryptic crossword clue "Mental impression of Jemima Goldsmith (5)" mean?

The definition is "Mental impression". The wordplay uses a hidden word. Hidden in "mental impression of jemIMA GOldsmith" The answer is IMAGO.

Mental impression of Jemima Goldsmith (5)

Independent Cryptic #11790 | 4 Down | 2024-07-24 flower