What is the root affixes of word disreputable?

Here's the breakdown of the affixes in the word "disreputable":

* Root: reput (meaning "reputation")

* Prefix: dis- (meaning "not" or "the opposite of")

* Suffix: -able (meaning "capable of" or "worthy of")

So, the word "disreputable" essentially means "not worthy of a good reputation" or "having a bad reputation."