The most common and most likely answer to this crossword clue is the 7 letter word CATALAN
C
A
T
A
L
A
N
More clues leading to the result CATALAN
- Barcelona’s tomboy?
- A “thank you” in tribe’s language
- Persian, say, in the style of new language
- American thanks welcomed by family group from European region
- Tom joins chap of Spanish origin
- Pet for boy from Barcelona
- Language of cold classical virgin without final word of gratitude
- With no end in view, can talk, and in European language
- Language of tribe including a word for ‘thanks’
- Family accepts a thank you from eastern Spain
Buddy explains!
The straight part
We know that "Regional Spanish" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case regional spanish = catalan.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.