What does the cryptic crossword clue "Mode for growth disputed since the very beginning (4,3,4,2)" mean?

The wordplay uses an anagram. anagram of MODE + FOR + GROWTH = FROMTHEWORDGO The answer is FROMTHEWORDGO.

Mode for growth disputed since the very beginning (4,3,4,2)

Daily Mail Cryptic #17508 | 19 Across | 2024-12-11 flower