pɹˈiːviəsli, ðə lˈætɪn tˈɜːm "pɹiːkˈoːɹdiə" hɐdbɪn jˈuːzd tə ɹᵻfˈɜː tə ðə dˈaɪəfɹˌæm, ɐ sˈɛns nˈaʊ ˈɑːbsəlˌiːt.
Previously, the Latin term "praecordia" had been used to refer to the diaphragm, a sense now obsolete.