Numbers 5:16

“And the priest shall bring her near, etc.] Or “offer it”, as the Vulgate Latin version, that is, the offering of jealousy: and set her before the Lord; or “it”, the offering; for which the Tigurine version is more express, “let the priest offer that sacrifice, and set that before the Lord,” for the setting of the woman before the Lord is spoken of in (<040518>Numbers 5:18).”

“The trial of jealousy. Since the crime of adultery is especially defiling and destructive of the very foundations of social order, the whole subject is dealt with at a length proportionate to its importance. The process prescribed has lately been strikingly illustrated from an Egyptian “romance,” which refers to the time of Rameses the Great, and may therefore well serve to illustrate the manners and customs of the Mosaic times. This mode of trial, like several other ordinances, was adopted by Moses from existing and probably very ancient and widely spread institutions. Numbers 5:15 The offering was to be of the cheapest and coarsest kind, barley (compare 2 Kings 7:1, 2 Kings 7:16, 2 Kings…”

“Before the Lord - That is, before the sanctuary where the ark was. Numbers 5:17”

“bring her near: or, rather, "bring it near;" i. e. her offering set her: Rather, "set it," i.e., the offering; for the woman is afterwards ordered to be set before the Lord ( Num 5:18). Lev 1:3; Jer 17:10; Heb 13:4; Rev 2:22, Rev 2:23 Numbers 5:17”