英语词汇supplemental的起源、历史背景-英语词源词典

词汇	supplemental
词源	supplemental adj. c. 1600, from supplement (n.) + -al (1). Related: Supplementally. Generally "added to supply what is wanted," whereas supplementary historically tends toward "added as something secondary or supernumerary." Entries linking to supplemental supplement n. late 14c., from Latin supplementum "that which fills up, that with which anything is made full or whole, something added to supply a deficiency," from supplere "to fill up" (see supply (v.)). -al 1 suffix forming adjectives from nouns or other adjectives, "of, like, related to, pertaining to," Middle English -al, -el, from French or directly from Latin -alis (see -al (2)). supplementary adj. 1660s, "added as something extra," from supplement (n.) + -ary. Suppletory in the same sense is from 1620s. updated on December 30, 2013
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supplemental adj.