"to growl like a dog," late 15c., imitative. In classical times, the letter R was called littera canina "the dog letter" (Persius).
updated on December 07, 2012
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。