The term 'Toy Dog, Familiarly' can be solved by the four-letter word 'Peke'. The Pekingese is a toy breed of dog originating in China. It is one of the oldest breeds of toy dog and has been popular in China for centuries. The breed was brought to Europe in the 19th century and has since become a popular companion dog in many countries. The Pekingese is known for its long, silky coat and its distinctive flat face.