γεντιὰς
From LSJ
Δύο γὰρ, ἐπιστήμη τε καὶ δόξα, ὧν τὸ μὲν ἐπίστασθαι ποιέει, τὸ δὲ ἀγνοεῖν → Two different things are science and belief: the one brings knowledge, the other ignorance
English (LSJ)
ῥίζα, = γεντιανή, gentian Androm. ap. Gal.14.41.
2 = γλυκύρριζα, Dsc.3.5; = κενταύρειον τὸ μέγα ib.6.