Take sound; Cihai: one meaning is gathering, which also refers to the tree born of gathering: two meanings are subdivided and three meanings are surnames.
In Wuyishan dialect (Jianzhou eight tones), cong, pronounced as cong, is a quantifier, which is common with a tree. A clump of rice, a clump of tea, a clump of trees and a big clump is called Peng. Therefore, it seems that "fir" is really wrong, and the accurate word should be "cong". "fir" should be pronounced as "rush", but we mispronounced it as "plexus". Imagine if we correctly pronounced Cong Shan's name as Cong Shan's name, we wouldn't laugh. So, it should be (the second sound of the cluster)