The word "lexicography" refers to the discipline in charge of analyzing the way the lexicon (words and vocabulary) relate and evolved in a language and at the same time compiling and writing dictionaries that reflect the relationship between words. This means the lexicography focuses on understand vocabulary and how his changes or is used in different contexts and historical periods. Because of this, it is common lexicographers who are interested in analyzing or researching any aspect of vocabulary rely on historical methods as words evolved over time, are linked to historical processes and derive from ancient languages such as Greek or Latin and therefore studying the evolution and origin of words it is possible to understand its use and even compile words in specialized dictionaries. Thus, it can be concluded the most reliable method of research in lexicography is the "Historical method".
