περίτριμμα
From LSJ
ὡς αἰεὶ τὸν ὁμοῖον ἄγει θεὸς ὡς τὸν ὁμοῖον → how God ever brings like men together | birds of a feather flock together | how the god always leads like to like | as ever, god brings like and like together | as always the god brings like to like
English (LSJ)
ατος, τό,
A anything worn smooth by rubbing: metaph., π. δικῶν, of a pettifogger, Ar.Nu.447 ; π. ἀγορᾶς D.18.127 ; π. πραγμάτων Com.Adesp.889. II Medic., preparation for rubbing in, Crito ap.Gal.12.447.