Noun
A short passage connecting two sections, but not forming part of either; a short coda.
Source: Webster's dictionaryA brief codetta is often heard connecting the various statements of the subject and answer. Source: Internet
The codetta, just as the other parts of the exposition, can be used throughout the rest of the fugue. Source: Internet
This passage is bars 6/7, at the end of the codetta before the first entry of the third voice, the bass, in the exposition. Source: Internet