γεντιὰς
From LSJ
προγράψαντες οὖν τά τε θεωρήματα καὶ τὰ ἐπιτάγματα τὰ χρεῖαν ἔχοντα εἰς τὰς ἀποδείξιας αὐτῶν μετὰ ταῦτα γραψοῦμές τοι τὰ προκείμενα → having therefore written at the beginning the theorems and the postulates that are necessary for their proofs, we will then write out for you the propositions
English (LSJ)
ῥίζα, = γεντιανή, gentian Androm. ap. Gal.14.41. 2 = γλυκύρριζα, Dsc.3.5; = κενταύρειον τὸ μέγα ib.6.
