Paximadia is clearly a Greek name for a traditional Greek bread, but it has a pacific Latin echo in that ‘pax’. Break bread and make peace. Paximadi is the singular. For a full overview of the bread and its history and variants, see this article by Diana Farr Louis.
Paximadia is also the name of two uninhabited Cretan islands.
‘Reaching into the hollow of the log, he extracted three paximadia from the spring and wrapped them in a cloth to draw the water out before they got too soggy. These dark brown pumices of twice-baked bread – the staple fare of Greek shepherds and of the medieval Basilian hermits – can be kept for months. Hard as fossils, they are excellent; especially with garlic, when soaked to the right consistency.’
Source: Patrick Leigh Fermor, Mani: Travels in the Southern Peloponnese, introduction by Michael Gorra, New York: New York Review of Books, 2006 (1958), p. 24