Achu has been translated as pillar in some texts. It could also have a
sense of time (and I get this from nothing that makes any logical sense; it
is intuition alone).
On Fri, Sep 23, 2016 at 2:39 AM, David Stifter <[log in to unmask]>
> > I've always considered that Ogham and achu mean that the inscribed
> strokes of the Ogham have blended into the stone upon which they are carved.
> But what is achu?