What does the cryptic crossword clue "Find Glen, yes, awfully ascetic (4,7)" mean?

The wordplay uses an anagram. anagram of FIND + GLEN, + YES, = SELFDENYING The answer is SELFDENYING.

Find Glen, yes, awfully ascetic (4,7)

Daily Mail Cryptic #17535 | 19 Across | 2025-01-17 flower