also ageing, "process of imparting age or the qualities of age to," 1860, verbal noun from age (v.).
late 14c., "grow old," from age (n.). Transitive meaning "make old" is early 15c.
updated on November 28, 2016
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。