εἰκασία
From LSJ
Βουλόμεθα πλουτεῖν πάντες, ἀλλ' οὐ δυνάμεθα → Ditescere omnes volumus, at non possumus → Wir wollen alle reich sein, doch wir können's nicht
English (LSJ)
ἡ,
A likeness, representation, X.Mem.3.10.1. II comparison, Plu. Them.29; estimate, ἐξ εἰκασίας PTeb.61 (a).186, al. (ii B. C.). III conjecture, Hp.Morb.1.1, Pl.Sis.390c, Ph.2.91, Hierocl. p.37 A. (pl.), etc.; doubt, Phld.Rh.1.249S. IV apprehension of or by means of images or shadows, Pl.R.511e,534a.