In 1370, in Constantinople, in a witchcraft trial before the synod presided over by Patriarch Philothea Kokkinos, Hieromonk Joasaph,from the monastery of Hodigitria, is accused of having given an abortifacient to a nun to hide their illicit relationship. It is deposed of his priesthood. The author gives a translation of the text (published in Volume I of Miklosich-Müller), viewed in the context of Constantinople in the 14th century and situated in relation to the evolution of imperial and canon law on abortion. This trial is an opportunity to study how the ecclesiastical authority was acting before this problem.En 1370, à Constantinople, au cours d'un procès de sorcellerie devant le synode présidé par le patriarche Philothée Kokkinos, le hi...