Logic by Nicephorus Blemmydes and Topics by Boethius

...the beginning, and both are unlimited. By these very things, the terms are named for the thing. A term is also called a rhetorical stasis position/issue and a chapter, the stasis homonymously. And the summary through one [thing]. And every discourse that is summary and brief is called a term. Or rather, a term is also the [act of] defining. And [it applies] to both affirmation and confirmation. Furthermore, besides these, a term is also called a definition, the discourse composed of a genus and constitutive differences or those [qualities] befitting them, and signifying the essence of a thing in brief, concerning which it is now proposed for us to speak. For the name signifies the essence readily, as a shadow [does] here; but the definition, which they also provide clearly, is thus: A term original: "horos" is a brief discourse indicative of the nature of the underlying thing. Therefore, "discourse" is taken as the genus. "Brief" or "indicative of the nature of the underlying thing" [are taken] as constitutive differences. A definition is called a discourse, therefore, in contrast to a name; because the name, even if it signifies the nature of a thing from a part, and it itself [signifies], nonetheless it consists of one word, but the discourse [consists] of two words at least; and "brief" [is used] because definitions...

+ The term of a term