μεσιδιόω
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)
A deposit with a neutral party or trustee, χειρόγραφόν τινι PRein.7.22 (ii B. C.):—Pass., ib. 32, SIG633.87 (Milet., ii B. C., written μεσειδ-): condemned by Phryn.98.