tradition
That is, The so-called "oral law" alleged to have been handed down from Moses; really a traditional interpretation of the written law.
See margin reference, ( See Scofield) - (Mark 7:7).
Related Commentaries of Mark 7:5
Mark 7:5
5 Then the Pharisees and scribes asked him, Why walk not thy disciples according to the tradition of the elders, but eat bread with unwashen hands?