πρόσκοποι

From LSJ

κεραυνὸν ἐν γλώττῃ φέρειν → carry a thunderbolt on his tongue

Source

English (Woodhouse)

pickets, reconnoitring-party

⇢ Look up on Google | Wiktionary | LSJ full text search (Translation based on the reversal of Woodhouse's English to Ancient Greek dictionary)