also heehaw, attested by 1815 (as Hiu Haw), probably imitative of sound of donkey's bray (compare French hinham). As "a loud laugh" from 1843.
updated on January 23, 2019
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。