词源 |
amastia n."complete failure of one or both breasts, including the nipple, to develop," 1878, medical Latin, from German amastia (1841), from Greek amastos "without breasts," from privative prefix a- "not, without" (see a- (3)) + mastos "breast" (see masto-) + abstract noun ending -ia. updated on January 15, 2017 |