Final answer:
The Latin root for "head" is "Capit". It features in words like "capital" and "captain," which denote leadership or prominence. The root helps in understanding the meanings of English words derived from Latin.
Step-by-step explanation:
The Latin root that means "head" is Capit. In the Latin language, "capit-" or "caput" literally translates to "head". This root is found in many English words that relate to the head or a chief part, such as the word "capital," which can refer to a city that serves as the seat of government, or "captain," which denotes the person who is at the head or in command of a group.
It's important to recognize how Latin roots can form the basis of English words, helping us to understand their meanings and derivations. The other options presented, namely ced, cog, and cid, have different meanings: 'cede,' 'ceed,' and 'cess' all pertain to going or yielding; 'cog' is related to knowing or thinking, as in cognition; and 'cid' involves cutting or killing, as in homicide.