* A misspelling: Perhaps you meant a similar word, such as "balantidiasis," a parasitic infection.
* A regional word: It could be a term specific to a particular region or culture. If you can provide more context, such as where you encountered this word, it might be easier to determine its meaning.
* A made-up word: It's also possible that "balintiyak" is a fictional or invented term.
To help understand the meaning, please provide more information:
* Where did you encounter this word?
* What was the context?
* What language do you think it's from?
With more details, I can try to figure out what "balintiyak" might mean.