What does the cryptic crossword clue "Harry brought back jam Mike's left in pot (5)" mean?

The definition is "pot". The wordplay uses a reversal. NAG (reversal="harry") + JA (synonym="JA") = GANJA; definition: "pot" The answer is GANJA.

Harry brought back jam Mike's left in pot (5)

Times Cryptic #28835 | 9 Across | 2024-02-09 flower