ἐπίκνισις
From LSJ
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
English (LSJ)
-εως, ἡ, scratching on the surface, Thphr. CP 5.2.4.
German (Pape)
[Seite 951] ἡ, das Aufritzen, Theophr.
Greek (Liddell-Scott)
ἐπίκνῐσις: -εως, ἡ, τὸ ἐξ ἐπιπολῆς ξύειν τι, Θεοφρ. π. Φυτ. Αἰτ. 5. 2, 4.