Boustrophedonically

This was a new word which my darling wife came across while we were admiring the windows of the preposterously gorgeous Ste Chapelle in Paris.  It means, literally (from the Greek), "ox-turningly".  Here is the definition from the OED:     (Written) alternately from right to left and from left to right, like the course of the plough in successive furrows; as in various ancient inscriptions in Greek and other languages.