What part of speech is Celtic?

"Celtic" can be several parts of speech, depending on its context:

* Adjective: Describing something related to the Celts, their culture, or their languages.

* Example: "The Celtic tribes inhabited much of Europe."

* Noun: Referring to the Celtic people as a group.

* Example: "The Celtic languages are a fascinating family of languages."

* Proper noun: Specifically referring to a particular Celtic group or language.

* Example: "Celtic music is popular all over the world."

So, the part of speech for "Celtic" is determined by the context in which it is used.