英语词汇degradation的起源、历史背景-英语词源词典

词汇	degradation
词源	degradation n. 1530s, "a reduction in rank or dignity," from French dégradation (14c., Old French degradacion), noun of action from past-participle stem of degrader (see degrade). From 1752 as "state of being reduced from a higher to a lower grade or power;" by 1769 as "reduction of strength, value, magnitude, etc." Related: Degradational. Entries linking to degradation degrade v. late 14c., degraden, "deprive of office, dignity, or honors; reduce from a higher to a lower rank," from Old French degrader (12c.) "degrade, deprive (of office, rank, etc.)," from des- "down" (see dis-) + Latin gradi "to walk, go, step" (from PIE root *ghredh- "to walk, go"). From 1640s as "lower in character, cause to deteriorate." Intransitive sense of "degenerate, deteriorate" is by 1850. Related: Degraded; degrading. updated on July 12, 2018
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degradation n.