συλλήπτρια
From LSJ
κακοὶ μάρτυρες ἀνθρώποισιν ὀφθαλμοὶ καὶ ὦτα βαρβάρους ψυχὰς ἐχόντων → eyes and ears are poor witnesses for men if their souls do not understand the language (Heraclitus Phil.: Fr. B 107; Testimonia: Fragment 16, line 6)
English (LSJ)
ἡ, fem. of sq., Ar.Fr.864 (cf. συλλῄστρια), X.Mem. 2.1.32, Iamb.Comm.Math.7.