Chuqqim is the plural of chok. The root is chaqaq — to engrave, to inscribe, to cut into stone. A chok is a commandment that is not deduced from reason or natural law. It is engraved by YHWH’s own authority and Israel keeps it because YHWH said so. The Tanakh distinguishes Torah commands into categories. Mitzvot are the commandments in general. Mishpatim are the judgments, the case-law that any reasonable society could in principle work out: do not steal, do not murder, restore what you broke. Edot are the testimonies, the appointed feasts and signs that recall YHWH’s actions in history. Chuqqim are different. They have no obvious external rationale. The dietary laws are chuqqim. The Para Adummah, the red heifer, is the paradigmatic chok — the rite that purifies the unclean and renders the clean unclean, which the rabbis themselves admit they cannot explain.

The Christian world inherited a flat “law” category from the Greek nomos. The Hebrew never flattened. The chuqqim hold the place in Torah where obedience precedes understanding. Ezekiel 36:27 says YHWH will put His Ruach inside Israel and cause them to walk in His chuqqim — the engraved commands, the ones no flesh deduces by reasoning. That is what makes the verse staggering. The Spirit does not give you new logic to figure out the chok. The Spirit gives you a heart that walks it without needing to.