"spacecraft intended to go into orbit," 1954, agent noun from orbit (v.).
"revolve round in an orb," 1946, from orbit (n.). Related: Orbited; orbiting.
updated on September 15, 2019
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。