ῥιζάγρα
From LSJ
τοῦ εἰδέναι χάριν ἡ πραγματεία → knowledge is the object of our inquiry, the aim of our investigation is knowledge
English (LSJ)
ἡ,
A instrument for extracting the roots of a tooth, Cels.7.12.1, Paul.Aeg.6.88.
German (Pape)
[Seite 842] ἡ, die Wurzelzange, Zahnwurzeln, Splitter u. dgl. damit herauszuziehen, Medic.