canine (adj.)

c. 1600, "pertaining to one of the four sharp-pointed tearing teeth between the incisors and the molars," from canine (n.) or Latin caninus. Meaning "pertaining to a dog or dogs" is from 1620s.

canine (n.)

late 14c., "a pointed tooth," from Latin caninus "of the dog," genitive of canis "dog" (source of Italian cane, French chien), from PIE root *kwon- "dog." The meaning "a dog" is first recorded 1869.