What does the cryptic crossword clue "Grimly see changes in Dorset town (4,5)" mean?

The wordplay uses an anagram. anagram of GRIMLY + SEE = LYMEREGIS The answer is LYMEREGIS.

Grimly see changes in Dorset town (4,5)

Daily Mail Cryptic #17509 | 16 Down | 2024-12-12 flower