What does the cryptic crossword clue "Relay rage cost starter in Paris? (8)" mean?

The definition is "Paris?". The wordplay uses an anagram. anagram of RAGE + COST = ESCARGOT; definition: "Paris?" The answer is ESCARGOT.

Relay rage cost starter in Paris? (8)

Independent Cryptic #11792 | 4 Down | 2024-07-26 flower