Respuesta :
The root of the word "ethereal" is the Greek word "aither" which means "upper air".
Root words are the words from which originates some other words. They may not necessarily be from original English, and may even be from Greek or Latin words.
- The given lines of poetry are from Phillis Wheatley's "Thoughts on the Works of Providence".
- Here, Wheatley used the word "ethereal" to refer to the almighty God.
- The root word for the word "ethereal" is from the Greek word 'aither' which means 'upper air'.
This word is used to refer to anything that seems heavenly or divine, something out of the ordinary. Thus, the correct answer is option C.
Learn more about "root word" here:
brainly.com/question/2446429