grampus (n.)youdaoicibaDictYouDict[grampus 词源字典]
a word applied to killer whales and other large, dolphin-like creatures, 1590s, earlier graundepose (1520s), altered (by influence of grand) from Middle English graspeys (late 13c.), from Anglo-French grampais, from Old French graspois, craspois "whale, (salted) whale meat; blubber; seal," from Medieval Latin craspicis, literally "great fish" or "fat fish," from Latin crassus "thick" + piscis "fish" (see fish (n.)). For specifics of usage in English, see OED.[grampus etymology, grampus origin, 英语词源]
vague (adj.)youdaoicibaDictYouDict
"uncertain as to specifics," 1540s, from Middle French vague "empty, vacant; wild, uncultivated; wandering" (13c.), from Latin vagus "strolling, wandering, rambling," figuratively "vacillating, uncertain," of unknown origin. Related: Vagueness.