HAVE YOU EVER WONDERED where the term K9 or K-9 comes from?
From “canine” you say…, so obvious. But there’s more to that question than meets the eye.
Is it an acronym? No. Is it an initialism? No. Then, for the dogged etymologists among us, what is it?
Check it out on Grammarphobia, at http://www.grammarphobia.com/blog/2013/01/k-9.html. The article is entitled ‘What kind of abbreviation is K-9?‘