What does the cryptic crossword clue "Cooking native oil is perfectly safe (9)" mean?

The definition is "safe". The wordplay uses an anagram. anagram of NATIVE + OIL = INVIOLATE; definition: "safe" The answer is INVIOLATE.

Cooking native oil is perfectly safe (9)

Guardian Cryptic #29520 | 15 Across | 2024-10-22 flower