lofty
嵂 centers on a mountain being towering and steep: lofty in a physical, imposing sense.
嵂 combines 山 (mountain) with 律, which likely contributes the sound and may reinforce the idea of a sharp, imposing peak. The exact historical development is uncertain.
A mountain 山 that follows strict rules 律 stands tall and imposing, like a lofty peak that cannot be ignored.
For リツ, imagine a lofty mountain peak that rises so high it seems to reach the rhythm (リツ) of the clouds.