The root word is arthritis.
The word "osteo" is derived from the Greek word "osteon," which means bone. It is commonly used in medical terms related to bones and bone conditions, such as osteoporosis (a disease causing brittle bones) or osteoarthritis (joint degeneration).
The word factory is derived from the medieval Latin word factoria. It is also derived from the Latin word factor.
it is derived from the word Helium.
The name is derived from the Tamil word murunggai (முருங்கை)
A theory: Mishmash might be derived from the German word "Mischmasch". That one is derived from the verb "mischen" which means "to mix".
κόκκαλο [kokalo]οστό [osto] (formal) (osteo>osto --> osteoarthritis)
The medical term for the form of arthritis that is commonly known as wear-and-tear arthritis is osteoarthritis.
The word duty is derived - through Middle-English - from the Anglo-Norman French word deute -> which in turn is derived from the Old-French word deu meaning "owed". That word derived from the Latin word debitus.
From which language is the word "conspicuous" derived from?
A word that has another word derived from it is called an Eponym. The two words will usually have different meanings.
The word "lunatic" is derived from the French word "lunatique," which means moonstruck.