ἐπιγονατίς
From LSJ
Πρόσεχε τῷ ὑποκειμένῳ ἢ τῇ ἐνεργείᾳ ἢ τῷ δόγματι ἢ τῷ σημαινομένῳ. → Look to the essence of a thing, whether it be a point of doctrine, of practice, or of interpretation.
English (LSJ)
ίδος, ἡ,
A knee-pan, Ruf. ap. Orib.25.1.50, Sor.1.103, Gal. 2.303; cf. ἐπιγουνατίς. II. garment reaching to the knee, Paus. Gr.Fr.144.