What is Golgotha?
Golgotha means "skull" in Aramaic and Hebrew. it was the hill just outisde the Jerusalem wall on which Jesus was crucified.
And he bearing his cross went forth into a place called the place of a skull, which is called in the Hebrew
Golgotha: Joh 19,17
The reason it was called 'Golgotha' is because the hill looks like the top part of a skull.
A spot there is called Golgotha,-of old the fathers' earlier tongue thus called its name, "The skull-pan of a head:" Origin Against Marcion Book II 259
Calvary in english originates from the latin word 'Calvariae' meaning also the top part of a skull.
And when they were come to the place, which is called
Calvary, there they crucified him, and the malefactors, one on the right hand, and the other on the left.
et postquam venerunt in locum qui vocatur Calvariae ibi crucifixerunt eum et latrones unum a dextris et alterum a sinistris Luke 23 33
To see a picture of the hill where Jesus was curcified, which appears as the top part of a skull', click the link below.
The Gospel writers call the place where Jesus was crucified 'Kranion'. The Greek word Kranion was translated in the Latin Vulgate as 'Calvariae', from which the translators of the King James version of the bible derived 'Calvary'.