1 tc The Hebrew is difficult here. The Targum envisions a winding ramp or set of stairs, which entails reading the first word as a noun rather than a verb and reading the second word also not as a verb, supposing that an initial mem has been read as vav and nun. See D. I. Block, Ezekiel (NICOT), 2:549.
2 tn The Hebrew term occurs only here in the OT.