προμηνύτρια
From LSJ
μὴ ἐν πολλοῖς ὀλίγα λέγε, ἀλλ΄ ἐν ὀλίγοις πολλά → don't say little in many words, but much in a few words (Stobaeus quoting Pythagoras)
English (LSJ)
ἡ,
A she who indicates before, Sch.rec. A.Th.402.
German (Pape)
[Seite 734] ἡ, die Anzeigerinn, Verrätherinn, Schol. Aesch. Spt. 387.
Greek (Liddell-Scott)
προμηνύτρια: ἡ, ἡ ἐκ τῶν προτέρων μηνύουσα, ἀγγέλλουσα, Σχόλ. εἰς Αἰσχύλ. Θήβ. 402.