The dictionary app (and hence its database) may go all the way back to NeXTStep/Openstep.
Maybe not all of it. But I wouldn't doubt if bits of it went all the way back to the early days where a fancy dictionary was one of the star features of NeXTStep.
Maybe not all of it. But I wouldn't doubt if bits of it went all the way back to the early days where a fancy dictionary was one of the star features of NeXTStep.