Etymology is derived from two greek words and mens the study of true word meaning.
The etymology is derived from two Greek words, "etymos" that is translated as true or authentic, and "loggia" which is treated or studied.
Therefore the meaning of the word etymology is the study of true meaning of the word.
At present etymology is called the study of the origin of words, their oncorporation into lenguages and their meaning. As well as the changes that have happened over time.