What does the cryptic crossword clue "Hold exercises, resulting in old complaint (6)" mean?

The wordplay uses a charade (building blocks). GRIP (synonym="‘hold’") + PE (synonym="‘exercises’") = GRIPPE The answer is GRIPPE.

Hold exercises, resulting in old complaint (6)

Guardian Cryptic #29505 | 22 Across | 2024-10-04 flower