Norwegian capital city, a name probably based on Old Norse os "estuary, river mouth," in reference to the place's situation.
updated on October 05, 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。