What does the cryptic crossword clue "When the heart flutters, it's through groping (11)" mean?

The wordplay uses a container (one word inside another). IT (synonym="IT") in PALPATION (synonym="groping") = PALPITATION The answer is PALPITATION.

When the heart flutters, it's through groping (11)

Guardian Cryptic #29333 | 14 Across | 2024-03-18 flower