myEtymology.com: Greek etymology of plax

Etymology of the Greek word plax (πλάξ)

the Greek word plax, πλάξ (anything flat; a moulding-board; flat surface ('plate', or tablet, literally or figuratively))

derived from the Proto-Indo-European root *plāk-

English placode, English myeloplax, French -plaxe, Italian leucoplachia, Italian melanoplachia, Italian placo-