ἀντιδιαίρεσις
From LSJ
Κύριε, βοήθησον τὸν δοῦλον σου Νῖλον κτλ. → Lord, help your slave Nilos ... (mosaic inscription from 4th-cent. church in the Negev)
English (LSJ)
εως, ἡ, in Logic,
A division by dichotomy, Plot.4.4.28, 6.3.10, D.L.7.61, Iamb.Myst.1.15. II in Surgery, counterincision, Paul.Aeg.4.48.
German (Pape)
[Seite 251] ἡ, Gegenabtheilung, Galen.