antibiotic (adj.)youdaoicibaDictYouDict[antibiotic 词源字典]
1894, "destructive to micro-organisms," from French antibiotique (c. 1889), from anti- "against" (see anti-) + biotique "of (microbial) life," from Late Latin bioticus "of life" (see biotic). As a noun, first recorded 1941 in works of U.S. microbiologist Selman Waksman (1888-1973), discoverer of streptomycin. Earlier the adjective was used in a sense "not from living organisms" in debates over the origins of certain fossils.[antibiotic etymology, antibiotic origin, 英语词源]
sill (n.)youdaoicibaDictYouDict
Old English syll "beam, threshold, large timber serving as a foundation of a wall," from Proto-Germanic *suljo (cognates: Old Norse svill, Swedish syll, Danish syld "framework of a building," Middle Low German sull, Old High German swelli, German Schwelle "sill"), perhaps from PIE root *swel- (3) "post, board" (cognates: Greek selma "beam"). Meaning "lower horizontal part of a window opening" is recorded from early 15c.
streptomycin (n.)youdaoicibaDictYouDict
antibiotic drug, 1944, from Modern Latin Streptomyces, genus name of the bacterium from which the antibiotic was obtained, from strepto- "twisted" + -mycin, element used in forming names of substances obtained from fungi, from Latinized form of Greek mykes "fungus" (see mucus). First isolated by U.S. microbiologist Selman Abraham Waksman (1888-1973) and others.