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

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.

The definition of the word "prefix" is an affix added at the beginning of a word root. To determine the correct definition, we can analyze the options given and see which one matches the definition of a prefix.

1. "Word part added at the beginning or end of a word root that changes the word's meaning" - This definition seems to be a generic description of any type of affix, not specifically a prefix.

2. "An affix added at the beginning of a word root" - This definition matches the given description of a prefix. A prefix is a type of affix that is added to the beginning of a word root to modify its meaning.

3. "A basic word part that often comes from Greek or Latin" - This definition describes word roots, which are the basic word parts that combine with prefixes and suffixes. It does not specifically define a prefix.

4. "An affix added to the end of a word root" - This definition describes a suffix, not a prefix. A suffix is an affix added to the end of a word root.

Based on the analysis, option 2, "an affix added at the beginning of a word root," is the correct definition of a prefix.