"fact or situation of giving preliminary instructions," 1910 (but popularized by World War II pre-flight conferences), verbal noun from brief (v.).
"to give instructions or information to," 1866; originally "to instruct by a brief" (1862), from brief (n.). Related: Briefed; briefing.
updated on October 09, 2012
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。