φρυκτοί
From LSJ
ἀλεξίκακε τρισέληνε, μηδέποθ' ἡττηθείς, σήμερον ἐξετάθης → averter of woes, offspring of three nights, thou, who never didst suffer defeat, art to-day laid low
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.