The most common and most likely answer to this crossword clue is the 7 letter word KNESSET
K
N
E
S
S
E
T
More clues leading to the result KNESSET
- Knight besieging German town rejected foreign diet
- Head supporting king, and in French parliament
- Frankfurt, Essen, Karlsruhe all holding up legislature
- Parliament head in woolly tangle in Holyrood ?
- Ken sets off for Parliament
- Parliament limited by weakness eternally
- Joint containing sandwiches with deficient contents and little sign of tasty diet?
- Middle Eastern diet that contributes to sickness, etc
- Parliament backs German city in marking educational centres
- Parliament seeks not to drop opposition leader after assembly
Buddy explains!

The straight part
We know that "Middle Eastern diet/kness, et" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case middle eastern diet/kness, et = knesset.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.