jaywalk [E20th] The ‘jay’ in the word is the same as the bird [ME], which has been used colloquially to mean ‘silly person’.
英语词源词典收录了6069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。