c. 1930s, collective term used among Japanese in U.S. for first-generation immigrants, in Japanese literally "first generation," related to ichi "one."
updated on January 10, 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。