diafragma

diaphragm (sheet of muscle separating the thorax from the abdomen); diaphragm (contraceptive device consisting of a flexible cup); diaphragm (thin, opaque structure with a central aperture); diaphragm (vibrating membrane in a speaker); diaphragm (membrane that separates one cavity from another)

From Latin diaphragma (“partition, diaphragm”), from Ancient Greek διάφραγμα (diáphragma, “partition-wall, barrier; later midriff, diaphragm”), from διά (diá, “through”) + φράγμα (phrágma, “fence, screen”), from φράσσω (phrássō, “to fence in, hedge around”).