The most common and most likely answer to this crossword clue is the 5 letter word ANGLO
A
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Buddy explains!
The straight part
We know that "WASP, in part" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case wasp, in part = anglo.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 ANGLO mean?
ANGLO noun- An English person or person of English ancestry.
- (sometimes offensive) an American, especially a white one (regardless of actual ethnicity), whose native language is English (as opposed to Americans for who have another native language).
- An Anglo-Australian (as opposed to Australians of Mediterranean or Middle Eastern background).
- An English-speaking Quebecer.
- A white-skinned person.
- A British person or person of British ancestry.