ἐτυμολόγος
From LSJ
κάλλιστον ἐφόδιον τῷ γήρᾳ ἡ παιδεία (Aristotle, quoted by Diogenes Laertius 5.21) → the finest provision for old age is education
German (Pape)
[Seite 1053] ὁ, der die Etymologie treibt, E. M. u. Schol.
Greek (Liddell-Scott)
ἐτυμολόγος: ον σπουδάζων τὴν ἐτυμολογίαν· ὡς οὐσιαστ., ἐτ., ὁ, ὁ ἐτυμολογῶν, Ἐτυμ. Μ., Varro L. L.