φλοιόρριζος
From LSJ
θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → it is grasped only by means of an ignorance superior to intellection, it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
ον,
A having roots covered with coats of rind: τὰ φ. bulbous plants, Thphr. Od.63.