πρόσοιδα
From LSJ
Περὶ τοῦ ἐπέκεινα τοῦ νοῦ κατὰ μὲν νόησιν πολλὰ λέγεται, θεωρεῖται δὲ ἀνοησίᾳ κρείττονι νοήσεως → On the subject of that which is beyond intellect, many statements are made on the basis of intellection, but it may be immediately cognised only by means of a non-intellection superior to intellection
English (LSJ)
pf. without pres. in use (cf. Εἴδω), prop.
A know besides: only in phrase χάριν προσειδέναι be grateful besides, Pl.Ap.20a; χάριν προσείσομαι Ar.V.1420.
German (Pape)
Greek (Liddell-Scott)
πρόσοιδα: πρκμ. ἄνευ ἐνεστῶτος (ἴδε *εἴδω Β), οἶδα, γινώσκω προσέτι, προσειδέναι χάριν, εἰδέναι χάριν προσέτι, Ἀριστοφ. Σφ. 1420 (ὁ Δινδ. πρὸς εἰδ.), Πλάτ. Ἀπολ. 20Α.