μακκοάω
From LSJ
κρείσσων ἐναρχόμενος βοηθῶν καρδίᾳ τοῦ ἐπαγγελλομένου καὶ εἰς ἐλπίδα ἄγοντος· δένδρον γὰρ ζωῆς ἐπιθυμία ἀγαθή (Proverbs 13.12 LXX) → One who sincerely sets about helping is better than one who makes promises leading to hope; for a kindly urge is a tree of life.
English (LSJ)
fut. -άσω [ᾱ],
A to be stupid, μακκοᾷ καθήμενος Ar.Eq.396: pf. part. μεμακκοακώς (v.l. -ηκώς) sitting mooning, ib.62, cf. Com.Adesp. 1210, Luc.Lex.19.—Derived from Μακκώ, a stupid woman, by Suid.