Origin Of The Word 'Dog' Remains A Mystery

 Centuries ago, dogs were more commonly called "hounds" — a term derived from the Old English word "hund." Today, "hound" typically refers to a specific breed of dog, but back then, it referred to all domestic canines, according to Gorrie.

Early forms of the word "dog" did appear in land charters and place names over a millennia ago. But most notably, during the Middle English period from roughly 1100 to 1450, "dog" was often used as an insult directed at people.

" The use of terms for dog to insult people are pretty common historically and across cultures and we see it all over the place," Gorrie said. "So not just in the history of English but in related languages of Europe and Asia."

Over time, the positive emotions people felt toward the four-legged creature eclipsed some of the word's negative, derogatory charge, he said. Around the 1500s, "dog" replaced "hound" as the standard term we use for the pet today.

"It's very possible that the same word that you use as an insult, you can repurpose as a term of affection," Gorrie said. " Almost as if they're reclaiming that word or using it ironically to show just how strong the affection is."

Since "dog" became ubiquitous, it has continued to broaden in meaning. According to Gorrie, the term was used to describe an ugly woman in the 1930s, while in the 1950s, it came to mean a sexually aggressive man. Today, it is used widely as slang for a close friend.

Theories behind the origin of "dog"

While the evolution of "dog" is fairly clear, the mystery lies in its origins.

One theory among linguists is that "dog" comes from the Old English word "dox," which was a term used to describe color, according to Gorrie. "It's not entirely clear what it meant, but it probably meant something like dark or golden or yellow," he said.

Another possibility is that it's related to the Old English word "dugan," which meant to be good, of use or strong, Gorrie added.

Part of the difficulty in tracing the origin of the word "dog," he said, is that dogs have been part of human life for a very long time. That's also true for common words such as "boy" and "she," as well as animal-related ones like "pig" and "hog."

"  There are theories about some of them," Gorrie said. "But dog is the one that's the real mystery."

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