What does aminosity mean?

"Aminosity" is not a standard English word. It's likely a misspelling of "amity," which means friendship, goodwill, or harmonious relations.

It's possible that the word was meant to convey a negative sentiment, perhaps suggesting a lack of friendship or hostility, but it's not a recognized term in the English language.

If you encountered this word in a specific context, please provide more information so I can better understand what was intended.