The etymology of a word represents its grammar, part of speech, history, context.

The answer is history. The etymology of a word represents its history. Etymology studies the origin of the words which means it is the study of the words' histories. It also studies how the words have changed throughout years after years.

I am pretty sure that it is A, might want to get more than 1 persons view though...

Explanation: A financial endowment is a legal structure for managing, and in many cases indefinitely perpetuating, a pool of financial, real estate, or other investments for a specific purpose according to the will of its founders and donors.