Lexicography

Lexicography is the study of lexicons and the art of compiling dictionaries. It is divided into two separate academic disciplines:

There is some disagreement on the definition of lexicology, as distinct from lexicography. Some use "lexicology" as a synonym for theoretical lexicography; others use it to mean a branch of linguistics pertaining to the inventory of words in a particular language.

A person devoted to lexicography is called a lexicographer and is, according to a jest of Samuel Johnson, a "harmless drudge".