What does the cryptic crossword clue "Hard-up eccentric in state of seclusion (6)" mean?

The definition is "seclusion". The wordplay uses an anagram. anagram of HARD-UP = PURDAH; definition: "seclusion" The answer is PURDAH.

Hard-up eccentric in state of seclusion (6)

Daily Mail Cryptic #17139 | 5 Across | 2023-07-12 flower