From Old French empostume, alteration of apostume (“apostume, large abscess”), from Latin apostema, from Ancient Greek ἀπόστεμα (apostema, “separation of pus into an abscess”).
impostume (plural impostumes)
- (obsolete) An abscess.
- 1603, John Florio, translating Michel de Montaigne, Essays, Folio Society 2006, vol. 1, p. 220:
- Jason Phereus [was] utterly forsaken of all Physitians, by reason of an impostume he had in his breast [...].