What does the cryptic crossword clue "Supply hard-up state with no exposure to outside world (6)" mean?

The definition is "state". The wordplay uses an anagram. anagram of HARDUP = PURDAH The answer is PURDAH.

Supply hard-up state with no exposure to outside world (6)

Guardian Cryptic #29335 | 1 Across | 2024-03-20 flower