What does word root anni mean?

The word root "anni" isn't a common root in English or other European languages. It's possible that you might be thinking of a similar-sounding root:

* "ann" is a Latin root meaning "year". It appears in words like:

* annual: happening every year

* anniversary: the yearly recurrence of a date

* perennial: lasting for many years

If you provide more context, I might be able to help you find the specific root you're looking for. For example, do you have a word in mind that contains "anni"?