Origin: Latin prefix sub-
Subfamily has 2 different meanings across 1 category:
(biology) a taxonomic category below a family
"In the classification of mammals, canines are grouped into the dog subfamily within the larger canine family."
A taxonomic category ranking between a family and a genus; formerly called a tribe
"The newly discovered primate species was officially classified into its own subfamily, sitting neatly between the broader family level and individual genera."