1888, "hard work," Australian slang, of unknown origin, perhaps from Lincolnshire dialect. Adjectival meaning "honest, genuine" is attested from 1916. Phrase fair dinkum "fair play" is attested by 1894.
updated on August 20, 2018
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。