* It's a misspelling. It could be a misspelling of a different word.
* It's a regional term. It might be a word used in a specific region or community.
* It's a made-up word. It could be a fictional term created for a specific purpose.
To help me understand what you mean, please provide more context.
For example:
* Where did you encounter this word? (e.g., a book, a conversation, a website)
* What was the context? (e.g., what was the sentence it was used in?)
With more information, I can try to determine the meaning of "mahiana."