What is the pedigree of pigs?

The department of pigs is from tapirs to listeners. Pig, a first-class Chinese character, originated from Shuowen. "Shuo Wen" "Pig, tapir and Sanmao live together. From the shackles, I heard the voice. " Original meaning of word-making: noun, as an important source of edible oil in ancient times, is a domestic animal with short tail and short feet, short and concave nose, big drooping ears, good sleep and plenty of meat. In ancient books, "pig" is often used instead of "pig (traditional)". Extended meaning: the place where pigs, pigs and water stop gathering.