What is "convertend"

Convertend \Con`ver*tend"\, n. [L. convertenus to be converted.] (Logic) Any proposition which is subject to the process of conversion; -- so called in its relation to itself as converted, after which process it is termed the converse. See Converse, n. (Logic).

n. (context logic English) Any proposition which is subject to the process of conversion; so called in its relation to itself as converted, after which process it is termed the converse.