σιδηρόσπαρτος
From LSJ
οὕτω τι βαθὺ καὶ μυστηριῶδες ἡ σιγὴ καὶ νηφάλιον, ἡ δὲ μέθη λάλον → silence is something profound and mysterious and sober, but drunkenness chatters
English (LSJ)
ον,
A sown or produced by iron, Luc.Ocyp.100.
German (Pape)
[Seite 880] durch Eisen gesäet od. verursacht, Luc. Ocyp. 100.