Answer: it helps to determine the original and aproximate origin of a word.
Step-by-step explanation:
Knowing Etymology can aid you in determining the approximate origin of the word. People can learn prefixes, roots, and suffixes, and after linking words' meanings to their roots, prefixes, or suffixes, they can find what the words originally meant. This word "etymology" is related to the greek word "etumología" meaning the study of the true sense of a word. (or the origin)