* It's a misspelling: Perhaps you meant a similar-sounding word like "penchant," "penta," or "peninsula."
* It's a technical term: It could be a term specific to a certain field or industry. If you can provide context (e.g., where you encountered this word), it might help determine its meaning.
* It's a made-up word: It's possible that "Pentia" is a fictional term created for a story, game, or other creative work.
Without further information, it's impossible to definitively say what "Pentia" means. Please provide more context if you can!