at knee

at somebody's knee

from someone older when you were young His father was a programmer in the early days of computers, and Briggs learned all about them at his dad's knee.
Etymology: based on the idea of a child standing next to or being the height of someone's knee
See also: knee
References in periodicals archive ?
INSIDE & OUT With Muthu Ganapathi, Consultant Orthopaedic Surgeon at Spire Yale, Wrexham IN this article we will look at knee pain and associated symptoms which occur following an injury.