guppy (n.)youdaoicibaDictYouDict[guppy 词源字典]
1925, named for R.J.L. Guppy, Trinidad clergyman who supplied the first specimen (1866) to the British Museum. The family name is from a place in Dorset. The class of streamlined U.S. submarines (1948) is an acronym from greater underwater propulsion power + -y.[guppy etymology, guppy origin, 英语词源]
streamline (v.)youdaoicibaDictYouDict
1913, "give a streamline form to," from streamline (n.). From 1936 in the extended sense of "simplify and organize." Related: Streamlined; streamlining.