complete silicate of aluminum and boron, 1759, from French or German, ultimately from Sinhalese toramalli, a general name for cornelian.
updated on February 12, 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。