History and Etymology
Middle English
diafragma, borrowed from Late Latin
diaphragma, borrowed from Greek
diáphragma "partition, barrier, partition of tissue separating organs," from
diaphrak-, stem of
diaphrássein "to divide off, separate" (from
dia- dia- +
phrássein, Attic
phráttein "to fence in, enclose, block," of obscure origin) +
-ma, resultative noun suffix