What is The word element that requires a combining vowel for attachment when it begins with consonant known as a?

The word element that requires a combining vowel for attachment when it begins with a consonant is called a consonant stem.

Here's why this is important:

* Combining vowels: These are short vowel sounds (usually "o" or "i") that are inserted between a consonant stem and a suffix to make pronunciation smoother.

* Consonant stems: These are word parts that usually represent a root meaning and typically start with a consonant.

Examples:

* "cardi" (heart) is a consonant stem. To attach the suffix "-itis" (inflammation) we use the combining vowel "o" to create "cardioitis" (inflammation of the heart).

* "arthr" (joint) is a consonant stem. To attach the suffix "-itis" (inflammation) we use the combining vowel "o" to create "arthroitis" (inflammation of a joint).

By using combining vowels, we ensure that the words are easier to pronounce and flow better.