probably strengthened from a presumed derivative of the base of 5114
TDNT - 7:692,1089
mouth 73, face 4, edge 2
1) the mouth, as part of the body: of man, of animals, of fish, etc.
1a) since thoughts of a man's soul find verbal utterance by his
mouth, the "heart" or "soul" and the mouth are distinguished
2) the edge of a sword