ἀνιστόρητος
From LSJ
πέτρην κοιλαίνει ρανὶς ὕδατος ἐνδελεχείῃ → constant dropping wears away a stone, constant dripping will wear away the hardest stone, little strokes fell big oaks, constant dripping wears the stone, constant dropping wears the stone, constant dripping will wear away a stone
English (LSJ)
ον,
A ignorant of history, uninformed, περί τινος Plb.12.3.2; τινός Phld.Rh.1.188S., Arr.Epict.1.6.23, cf. D. Chr.12.59. Adv. -τως, ἔχειν τινός Plu.Demetr.1. II uninvestigated, Ph.Bel.78.36; unrecorded, Phld.Mus.p.28K., Plu.2.731c; χώρα, ἰδέαι ὀρνέων, Agatharch.58,84.