φρυκτοί
From LSJ
ὅσα μὲν τῆς ἰδίας τρυφῆς εἵνεκα Μειδίας καὶ περιουσίας κτᾶται → all the wealth that Meidias retains for private luxury and superfluous display
English (Woodhouse)
(see also: φρυκτός) beacon fires to give the alarm
Lexicon Thucydideum
signa ignea, fire signals, 2.94.1,
similiter similarly 3.22.7. 3.22.8.