The word "irrelevant" refers to something that is not connected or appropriate to the matter at hand. It implies that the information or topic in question does not relate to the main point or issue being discussed, making it unimportant or not useful in that context.
The word "irrelevant" comes from the prefix "ir-" (meaning "not") combined with the word "relevant," which originates from the Latin word "relevare," meaning "to raise up" or "to lift." The combination signifies something that does not "raise up" or contribute to the discussion.