Open hand symbol of Corbusier- a borrowed idea?

I am not a fan of Le Corbusier, and much less of his 'originality'.
In one of my earlier posts I had shown how he proposed the design of chimney on the Chandigarh Secretariat, with hardly any change, from the cooling tower of atomic power plants.

I had problem with another 'original' idea of Le Corbusier while visiting Morroco and Spain recently.

Please see the tile showing the open hand and compare it with the original and amazing contribution of Le Corbusier to Chandigarh- the 'Open Hand Monument'. It is an extremely common symbol in these countries signifying "Fatima's hand' meant to ward off evil!
How very original!