The root of the word "conclusion" is "concl" which comes from the Latin "concludere".
Explanation:
Root is the constituent of the word that contains lexical meaning but does not include derivational or flexional affixes. That is, the root of a word is the part of the word that is related to its historical origin. In the case of the word "conclusion", the root is "concl", which is linked to the Latin origin of the word. "Conclusion" originated from the Latin "concludere" and means act, process or effect of termination; finalization, termination. Conclusion is the act of finalizing an activity.
<span>Word Root of conclude. The Latin word claudere, meaning “to close” or “to shut,” gives us the root clud. To exclude is to shut another out of a group. To include is to shut someone into a group.</span>
The subordinate clause in this sentence is "who bought me a puppy for my birthday" and it functions as an adjective because it modifies the noun phrase "the one" (like adjectives and adjective phrases, adjective clauses describe or add information about a noun element in the sentence).