The plural of why; questions asking for the reason or cause of something.
From Old English 'hwæt' meaning 'what,' evolved into 'why' as a question word in Middle English. The plural form simply adds -s to make multiple instances of the question.
Kids ask 'why' about 37 times a day on average—philosophers call this the infinite regress problem, where every answer prompts another 'why' until you reach fundamental truths about existence.
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