The most common and most likely answer to this crossword clue is the 7 letter word AVESTAN
A
V
E
S
T
A
N
More clues leading to the result AVESTAN
- A top article in ancient language
- Some have standing regarding exotic scriptures
- Article about goddess connected with sacred writings
- Pound street after street to acquire an ancient language
- Praise a good man — one follows ancient language
- Language for one to hold match
- Two articles about banian in ancient language
- Match covered in one language
- Short match covered in one language
Buddy explains!

The straight part
We know that "Language" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case language = avestan.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.