Numbers 5:18-20

Young's Literal Translation

¹⁸ and the priest hath caused the woman to stand before Jehovah, and hath uncovered the woman's head, and hath given into her hands the present of the memorial, it [is] a present of jealousy, and in the hand of the priest are the bitter waters which cause the curse.

¹⁹ `And the priest hath caused her to swear, and hath said unto the woman, If no man hath lain with thee, and if thou hast not turned aside [to] uncleanness under thy husband, be free from these bitter waters which cause the curse;

²⁰ and thou, if thou hast turned aside under thy husband, and if thou hast been defiled, and any man doth give his copulation to thee besides thy husband --