What is the root word of affable?

The root word of "affable" is "fari", which is a Latin word meaning "to speak".

Here's how it breaks down:

* "af" is a prefix meaning "to" or "toward".

* "fari" is the root meaning "to speak".

* "able" is a suffix meaning "capable of" or "having the quality of".

Therefore, "affable" literally means "capable of speaking in a friendly and pleasant manner".