MEANING: noun: A dog lover.
adjective: Fond of dogs.

ETYMOLOGY: From Greek philo- (loving) + kyon (dog). Ultimately from the Indo-European root kwon- (dog), which is also the source of canine, chenille (from French chenille: caterpillar, literally, little dog), kennel, canary, hound, dachshund, corgi, cynosure, and cynic. Earliest documented use: 1830.

PHILOCYGNIC - noun: a lover of baby swans

PHYLOCYNIC - skeptical about classification systems

PHILO CYNIC - a fictional detective who believed that people are motivated purely by self-interest rather than rather than for honorable or unselfish reasons; written by S S van Dyne and popular in the 1920s and 30s.