Which of the following is the definition of the word prefix?(1 point)

word part added at the beginning or end of a word root that changes the word’s meaning
an affix added to the end of a word root
an affix added at the beginning of a word root
a basic word part that often comes from Greek or Latin

an affix added at the beginning of a word root

The definition of the word "prefix" is "an affix added at the beginning of a word root."

The correct definition of the word prefix is "an affix added at the beginning of a word root."

To determine the correct answer, you can break down the word itself. In this case, "pre" means before, and "fix" means to fasten or attach. So, a prefix is something that is added before a word root to change its meaning. In the given options, "an affix added at the beginning of a word root" best represents this definition.