"airplane flight which deprives travelers of sleep," 1968, from the red eyes of sleeplessness; earlier it was a noun meaning "raw and inferior whiskey" (1819, American English); it also has been used of various fish.
updated on May 31, 2021
英语词源词典收录了45867条英语词源词条，基本涵盖了全部常用英语词汇的起源、历史，是研究英语词汇或通过词源学英语的必备工具。