The most common and most likely answer to this crossword clue is the 5 letter word CHIVE
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Buddy explains!
The straight part
We know that "Spicy herb" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case spicy herb = chive.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does CHIVE mean?
CHIVE noun- A perennial plant, Allium schoenoprasum, related to the onion.
- (in the plural) The leaves of this plant used as a herb.
- The style and stigma of a flower, especially saffron.
- (thieves' cant) A knife.
- (thieves' cant) A file.
- (thieves' cant) A saw.
- (thieves' cant) To stab.
- (thieves' cant) To cut.