Definition of overgo:
(v) :
To go beyond; to exceed, surpass.
(v) :
To get the better of; to overcome, overpower.
(v) :
To go over, move over the top of, travel across the surface of; to traverse, travel through.
(v) :
To spread across (something); to overrun.
(v) :
(intransitive, UK, dialectal) To pass by, pass away; often, to go unnoticed.
(v) :
(archaic) To cross, go over (a barrier etc.); to surmount.