Glossography

(n.) The writing of glossaries, glosses, or comments for illustrating an author.

Thesaurus Entries

criticism, cryptanalysis, cryptography, cryptology, diagnostics, epigraphy, exegetics, glossography, hermeneutics, lexicology, lexigraphy, literary criticism, metoposcopy, oneirology, onomasiology, onomastics, onomatology, paleography, pathognomy, physiognomics, physiognomy, semantics, semasiology, semeiology, semeiotics, symptomatology, textual criticism, tropology