KJV:
And when thou hast stayed three days, then thou shalt go down quickly, and come to the place where thou didst hide thyself when the business was in hand, and shalt remain by the stone Ezel.
NASB:
"When you have stayed for three days, you shall go down quickly and come to the place where you hid yourself on that eventful day, and you shall remain by the stone Ezel.