Here's a breakdown:
* Latin: *minimus* (smallest, least)
* Middle English: *mini* (smallest)
* Modern English: *mini* (a prefix denoting smallness)
The word "mini" is often used as a prefix to denote a smaller version of something, like:
* Miniskirt (a short skirt)
* Minivan (a small van)
* Miniature (small-scale model)
It essentially acts as a shorthand for "small" or "little."