"the Islamic community," founded by Muhammad and bound to one another by religious ties and obligations, 1855, from Arabic 'umma "people, community, nation."
updated on June 18, 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。