ἐκτίμησις
From LSJ
Δελφῖνα νήχεσθαι διδάσκεις: ἐπὶ τῶν ἐν ἐκείνοις τινὰ παιδοτριβούντων, ἐν οἷς ἤσκηται → Teaching dolphins to swim: is applied to those who are teaching something among people who are already well versed in it
English (LSJ)
εως, ἡ,
A high esteem: estimation, Str.14.1.23, Porph.Abst.2.24. II valuation, PKlein.Form.78 (v/vi A.D.).
German (Pape)
[Seite 781] ἡ, die Schätzung, Strab. XIV p. 641.
Greek (Liddell-Scott)
ἐκτίμησις: -εως, ἡ, τὸ ἐκτιμᾶν, ὡς καὶ νῦν: διατίμησις, Στράβων 641.