What does the cryptic crossword clue "Stun and partially confound a zealot (4)" mean?

The definition is "Stun". The wordplay uses a hidden word. Hidden answer (partially) in [confoun] D A ZE [alot]. The answer is DAZE.

Stun and partially confound a zealot (4)

Independent Cryptic #11014 | 23 Down | 2022-01-31 flower