What is the proper name for Canis lupus familiaris?

Canis means dog, Lupus means Wolf, and Familiaris means family and familiar. So it means domestic dog

Answer: The domestic dog (Canis lupus familiaris when considered a subspecies of the wolf or Canis familiaris when considered a distinct species) is a member of the genus Canis (canines), which forms part of the wolf-like canids, and is the most widely abundant terrestrial carnivore.