Likutei Moharan 48:5/ליקוטי מוהר"ן מ״ח:ה׳

15. And this is the explanation [of the opening verse]: {“This is because you broke faith with Me among the Israelite people, at the Waters of Merivah (Conflict) at Kadesh in the wilderness of Tzin…. You will therefore view the land from a distance, but you will not enter it.”}

2Waters of MeRiVah, Conflict — This corresponds to the waters of the chasadim, an aspect of sukkah, which spares one MeRiV (from quarrelsome) tongues, as is written, “conceal them in a sukkah from quarrelsome tongues.”

3Kadesh — Onkelos renders this as ReKeM, which suggests RiKeiM (shaped) and TZiYeR (formed), an aspect of TZeYReY, as explained. From this, the fetus is formed.

4the wilderness of TZIN — This suggests TZINei (palms) of the Iron Mount, which suggests TaMaRim (date-palms), which suggests TeMuRah (exchange) and inversion.

5The explanation is: The Holy One instructed them to speak to the rock, so that, as Rashi explains, the Israelites would draw an inference from minor-to-major regarding reward and punishment. But they <blemished> the spoken word and, God forbid, caused the right hand of falsehood to become overpowering, as in, “<whose right hand is a right hand of falsehood>.”

6This is the explanation: tzin suggests exchange—the exchange of holiness, the exchange of the tzeyrey, the exchange of the sukkah of holiness, a sukkah of the evil forces is made, God forbid. Because of this, their punishment was:

7You will therefore view the land from a distance, but you will not enter it — For the Land of Israel is from “His koach works.”