Stand in something, also stand in a situation. Do you understand? If you do understand then you stand under this knowledge to be able to agree to what is stated. So, therefore, you innerstand aka stand in by applying it to be able to overstand it aka stand over which is wisdom about what is stated.
The numerical value of INNERSTAND in Chaldean Numerology is: 8
The numerical value of INNERSTAND in Pythagorean Numerology is: 1