Greek pitch

English Etymology en la pix Graeca. Noun - en rosin. en c. 1900 How Britannia Came to Rule the Waves W. H. G. Kingston https://www.gutenberg.org/cache/epub/23496/pg23496-images.html He observed, he says, “that the pine and cypress of which it was built had lasted most remarkably. On the outside it was built with double planks, daubed over with Greek pitch, caulked with linen rags, and over all a sheet of lead, fastened on with little copper nails.”