dim 词源(Etymology) - V5词源[英文版]

dim (adj.)[dim 词源字典]: Old English dimm "dark, gloomy, obscure," from Proto-Germanic *dimbaz (cognates: Old Norse dimmr, Old Frisian dim, Old High German timber "dark, black, somber"). Not known outside Germanic. Slang sense of "stupid" is from 1892. Related: Dimly; dimness.[dim etymology, dim origin, 英语词源]
dim (v.): c. 1200, perhaps in Old English, from dim (adj.). Related: Dimmed; dimming.