προσωπίδιον
From LSJ
καὶ παρὰ δύναμιν τολμηταὶ καὶ παρὰ γνώμην κινδυνευταὶ καὶ ἐν τοῖς δεινοῖς εὐέλπιδες → they are bold beyond their strength, venturesome beyond their better judgment, and sanguine in the face of dangers
English (LSJ)
τό, Dim. of πρόσωπον, Ar.Fr.264, Stud.Pal. 22.56.23 (iii A.D.), Maria ap.Zos.Alch.p.157 B.
Russian (Dvoretsky)
προσωπίδιον: τό небольшая маска Arph.
Greek (Liddell-Scott)
προσωπίδιον: τό, ὑποκορ. τοῦ πρόσωπον, Ἀριστοφ. Ἀποσπ. 256, πρβλ. Πολυδ. Ι΄, 127.