"allowance on goods sold by weight," c. 1500, of unknown origin; perhaps related to trait "act of drawing."
updated on February 16, 2014
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。