词源 |
slippery adj."having a surface so smooth as to cause sliding," c. 1500, slipperie, with -y (2) + Middle English sliper (adj.) "not affording firm footing or hold," from Old English slipor "slippery, having a smooth surface" (see slip (v.)). The metaphoric sense of "deceitful, untrustworthy, that cannot be depended upon or trusted" is from 1550s. Alternative slippy is attested from 1540s. Related: Slipperily; slipperiness. Middle English also had slipperness, slipornysse, (early 15c., in medical writing, "looseness of the bowels"), directly from sliper. Scott (1821) has slippiness. In a figurative sense, slippery slope "course beginning with a small step but leading to disaster or destruction" is attested by 1844. Slippery slope as a figure of peril, or a difficult path up, is by 1825. The slippery elm (1748) of eastern North America (also moose or red elm) is so called for its mucilaginous inner bark, used officinally as a demulcent. "Stand back ! if you would not bring certain destruction on her and yourself. Do you not see that the chasm is opening wider?" exclaimed Rupert Wyvill, returning almost ere Rosalind had missed him, pushing Edred aside as he spoke, who, half maddened at the sight of his cousin's risk, was on the point of leaping down from the brow of the cliff on the crumbling, slippery slope—an act which would have ensured the destruction of all. [Miss Ellen Pickering, "Who Shall be Heir?" 1840] updated on January 11, 2023 |