Definition of wherewith:
(conjunction) :
out of which; by means of which
"zechariah 14:12 And this shall be the plague wherewith the LORD will smite all the people that have fought against Jerusalem"
(v) :
with which; with what
"matthew 5:13 Ye are the salt of the earth: but if the salt have lost his savour, wherewith shall it be salted?"
Definition of wherewith:
(conjunction) :
out of which; by means of which
"zechariah 14:12 And this shall be the plague wherewith the LORD will smite all the people that have fought against Jerusalem"
(v) :
with which; with what
"matthew 5:13 Ye are the salt of the earth: but if the salt have lost his savour, wherewith shall it be salted?"