plume (large and showy feather) · upwelling of molten material from the Earth's mantle (mantle plume)
çekim: çoğul plumas
köken: Borrowed from Latin plūma (“feather”) (Latin pl- normally becomes ch- in inherited Portuguese); compare the semi-learned Old Galician-Portuguese pruma. See also chumaço, which was popularly inherited and underwent the usual sound changes.