The most common and most likely answer to this crossword clue is the 9 letter word LARYNGEAL
I've seen this crossword clue in The Guardian
L
A
R
Y
N
G
E
A
L
Buddy explains!
The straight part
We know that "affecting part of the throat/affecting part of the throat" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case affecting part of the throat/affecting part of the throat = laryngeal.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 LARYNGEAL mean?
LARYNGEAL noun- A sound uttered by using the larynx.
- In Proto-Indo-European, one of the typically three reconstructed consonants usually marked as , and .
- Of or pertaining to a larynx or larynges.