Question

what is etymology? (1 point)
the development of formal languages
the scientific study of language and its structure
a words part of speech and how it functions in a sentence
a words origin and how its meanings have changed over time

Explanation:

Etymology focuses on a word's origin and the evolution of its meanings. The first option is more about constructed languages. The second is linguistics. The third is grammar - related. Only the fourth aligns with etymology's definition.

Answer:

a word’s origin and how its meanings have changed over time