English word K9 comes from Latin canem, Latin -inus, and later Latin caninus (Canine; of or pertaining to a dog.)
| Dictionary entry | Language | Definition |
|---|---|---|
| canem | Latin (lat) | |
| -inus | Latin (lat) | Of or pertaining to; -ine; usually indicates a relationship of position, possession, or origin. |
| caninus | Latin (lat) | Canine; of or pertaining to a dog. |
| canine | English (eng) | (anatomy) Of or pertaining to mammalian teeth which are cuspids or fangs.. Dog-like.. Of, or pertaining to, a dog or dogs. (formal) Any of certain extant canids regarded as similar to the dog or wolf (including coyotes, jackals, etc.) but distinguished from the vulpines, which are regarded as fox-like.. (poker slang) A king and a nine as a starting hand in Texas hold 'em due to phonetic [...] |
| K9 | English (eng) | A trained police dog. |