1.2.2 Suffix
A suffix is attached to the end of a word root to change the original meaning.In medical terminology,a suffix usually indicates a procedure,condition or disease,or part of speech.A commonly used suffix is-itis,which means“inflammation”.When this suffix is paired with the root arthr/o(meaning“joint”),the resulting word is arthritis,meaning“an inflammation of the joint”.(https://www.daowen.com)