descent noun (RELATION) [ U ] the state or fact of being related to a particular person or group of people who lived in the past: She's a woman of mixed/French descent. They trace their line of descent back to a French duke.
The author develops the connection between language and cultural preservation in the text; by highlighting that many dialects can exist within the same Language.
<h3>Language, Dialect and Cultural preservation as in the Passage</h3>
The author's intention as observed in the passage is to indicate to the reader that, many dialects can exist within the same language.
On this note, it follows that Quechua words exist in the text for this reason.
Read more on languages and dialect;
brainly.com/question/20032366