Learning new words via etymology [duplicate]

Solution 1:

The answer is "perhaps".

The etymology of a word gives you its source/root and its development to its current meaning. If you learn the etymology, you will learn the current meaning also.

OED:

etymology: The facts relating to the origin of a particular word or the historical development of its form and meaning; the origin of a particular word.

2010 A. Potter Authenticity Hoax i. 49 The very idea of what it means to be sick (and lurking in the etymology of the word dis-ease) is that something is not right.

However, I am not sure how knowing that "Avocado" has its origins in the Nahuatl (Aztec) word āhuacatl, which means “testicle”, will help, although it does give an idea of the shape.

That said, any study of language is likely to give you a better understanding languages as a whole.