πρῖσ-ις,εως,ἡ, (πρίω)
A. sawing,
Arist. PA 645b17 , Thphr. HP 5.5.4 , Heliod. ap. Orib. 47.14.3 .
2. in cranial surgery,trephining,
Hp. VC 9 , 21 .
II. π. ὀδόντων grindingof the teeth, from anger, Plu. 2.458d (pl.); or as an effect of disease, Hp. Prorrh. 1.48 .