"heavy drinker," 1670s, agent noun from tope (v.).
"to drink heavily," 1650s, of unknown origin, perhaps ultimately from Italian toppa "done!" a word signifying acceptance of a bet.
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。