What does the cryptic crossword clue "What’s earlier than foxtrot in dance choice? (4)" mean?

The definition is "choice?". The wordplay uses a hidden word. Hidden in "what’s earlier than foxtrot in dancE CHOice?" The answer is ECHO.

What’s earlier than foxtrot in dance choice? (4)

Independent Cryptic #11690 | 19 Across | 2024-03-29 flower