On: Iron Age Celtic Woman Was Buried in a Hollowed-Out...

[hutzlibu]

The specific implementation, so to say, yes. But the general idea is always, that the mind and will of the spellcaster can alter reality.

[hprotagonist → hutzlibu]

Unless you're a very ancient greek, of course, in which case you're just a husk for the gods to work through and you have no will to speak of anyway.

[inawarminister → hprotagonist]

IDK, the Hittites - the neighbours and contemporary of the Mycenaean Greeks that you referred to (Bicameralism theory, right?) certainly had their own (women-exclusive) spellcasters being different to godstalker/priests...