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scabrous (adj.)[scabrous 词源字典]: 1570s, "harsh, unmusical" (implied in scabrously), from Late Latin scabrosus "rough," from Latin scaber "rough, scaly," related to scabere "to scratch, scrape" (see scabies). Sense in English evolved to "vulgar" (1881), "squalid" (1939), and "nasty, repulsive" (c. 1951). Classical literal sense of "rough, rugged" attested in English from 1650s. Related: Scabrously; scabrousness.[scabrous etymology, scabrous origin, 英语词源]