cantankerousyoudaoicibaDictYouDict
cantankerous: [18] Cantankerous is a rather mysterious word. It first appears in the 1770s, and the earliest known reference to it is in Oliver Goldsmith’s She Stoops to Conquer 1772: ‘There’s not a more bitter cantanckerous road in all christendom’. Its origin is disputed: perhaps the likeliest source is Middle English contekour ‘brawler’, from contek ‘strife’, a borrowing from an unrecorded Anglo-Norman *contek, but an Irish origin has also been suggested, perhaps from Irish cannrán ‘strife, grumbling’ (another early user of the word was the Irish playwright Thomas Sheridan).
cantankerous (adj.)youdaoicibaDictYouDict
1772, said to be "a Wiltshire word," probably from an alteration (influenced by raucous) of Middle English contakour "troublemaker" (c. 1300), from Anglo-French contec "discord, strife," from Old French contechier (Old North French contekier), from con- "with" + teche, related to atachier "hold fast" (see attach). With -ous. Related: Cantankerously; cantankerousness.