Here's what it could be:
* A proper noun: It might be a person's name, a place name, or a family name.
* A variation of a different word: It could be a slightly different spelling of a similar word in Marathi.
To get a clearer meaning, please provide more context. For example:
* The sentence where you encountered the word: This will help understand its grammatical function.
* The subject or topic: What is the text about?
* Any additional information: Do you know anything else about the word's usage?
With more information, I can help you understand the meaning of "abhir" in Marathi.