When Shakespeare's Juliet asks, "O Romeo, Romeo, wherefore art thou Romeo?" she is not inquiring into her beloved's whereabouts. Rather she is asking why it is that Romeo must be Romeo, a member of the Montague family and, therefore, an enemy of Juliet's own family, the Capulets. Yet, wherefore does wherefore mean "why"? Starting in the early 13th century, a number of new words were formed by combining where with a preposition. In such words, where had the meaning of "what" or "which," giving the English language such adverbs as wherein ("in what"), whereon ("on what"), and wherefore ("for what"). English speakers have largely dropped the adverb wherefore in favor of why, but the noun wherefore, meaning "an answer or statement giving an explanation," continues to be used, particularly in the phrase "the whys and wherefores."
Examples of wherefore in a Sentence
Adverb
it was getting late, and wherefore we decided to move on
Noun
demanded to know the whys and wherefores for the decision
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