The wherewithal is the money or means needed to do something. Lack the wherewithal, find the wherewithal, the wherewithal to do it.
It nearly always means money specifically, and it appears with lack or find far more often than with have. It was an adverb first and became a noun only around 1800.
1nounwherewithalThe money or means needed to do something.
“They wanted to start a business but didn't have the wherewithal.”
wherewithal is a means.
Where plus withal, meaning that with which; the noun use began around 1800.
From where- + withal. Originally only an adverb, nominal use since ca. 1800.
Etymology from Wiktionary, CC BY-SA