英语词汇dimmer的起源、历史背景-英语词源词典

词汇	dimmer
词源	dimmer n. "one who or that which makes dim," 1822, agent noun from dim (v.). Of mechanisms for reducing the brightness of electric lights, from 1905. Entries linking to dimmer dim v. early 13c., dimmen, of eyes, "become unable to see clearly," perhaps in Old English, from the source of dim (adj.). Sense of "become dim, faint, or obscure, fade" is from early 14c. Transitive sense of "to make dim, faint, or obscure" is from late 14c. Related: Dimmed; dimming. updated on August 20, 2018
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dimmer n.