What does the cryptic crossword clue "Knowhow required for aviaries possibly (6,5)" mean?

The wordplay uses an anagram. anagram of FOR + AVIARIES = SAVOIRFAIRE The answer is SAVOIRFAIRE.

Knowhow required for aviaries possibly (6,5)

Daily Mail Cryptic #17375 | 19 Across | 2024-06-07 flower