Where"fore , n. the reason why. [Colloq.]
Where"fore (?), adv. & conj. [Where + for.]
1. For which reason; so; -- used relatively.
Wherefore by their fruits ye shall know them.
Matt. vii.
20. 2. For what reason; why; -- used interrogatively.
But wherefore that I tell my tale.
Chaucer. Wherefore didst thou doubt?
Matt. xiv. 31.