What does the cryptic crossword clue "Vegetable from greengrocers we'd established (5)" mean?

The definition is "Vegetable". The wordplay uses a hidden word. Hidden (‘from’) in greengrocerS WE’D Established The answer is SWEDE.

Vegetable from greengrocers we'd established (5)

Independent Cryptic #11781 | 12 Across | 2024-07-13 flower