meaning of why
1. For what cause, reason, or purpose; on what account; wherefore; -- used interrogatively. See the Note under What, pron. , 1.
2. For which; on account of which; -- used relatively.
3. The reason or cause for which; that on account of which; on what account; as, I know not why he left town so suddenly; -- used as a compound relative.
4. A young heifer.
5. the cause or intention underlying an action or situation, especially in the phrase `the whys and wherefores