A. Added to sbs. with the sense ‘provided with’, it produced many adjs., as dentātus toothed, foliātus leaved, litterātus LITERATE; on this model were made numerous adjs. in nat. hist., etc., as angustifoliate narrow-leaved, lunulate crescent-shaped.
B. L. pps. were used as sbs., in all three genders, as (i) legātus LEGATE, (medL.) prælātus PRELATE, curātus CURATE; (ii) medL. carucāta CARUCATE, virgāta VIRGATE, and numerous sbs. in the Rom. langs. (repr. by F. -ée, Sp. -ada, It. -ata; cf. -ADE); (iii) L. mandātum MANDATE, modL. præcipitātum PRECIPITATE. In chem. extended to the nomenclature of salts of acids denominated by adjs. in -IC, as NITRATE, SULPHATE.
"-ate." The Concise Oxford Dictionary of English Etymology. . Encyclopedia.com. (September 19, 2018). http://www.encyclopedia.com/humanities/dictionaries-thesauruses-pictures-and-press-releases/ate-5
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