The Homeric Greek word φύλαξ
Word φύλαξ
pʰ y. l a ks
IPA pʰylaks
Meaning watcher, guard, sentinel
See also Ancient Macedonian: Φυλακαί ‘place name’
Synonyms ἔρυμα, ἐπίουρος

Comments
Iliad

Other words that might be of interest
ἐγρήσσω ‘watch, awake’, μάρτυρος ‘witness’, ἐπιγιγνώσκω ‘look upon, witness, observe’, ἐποπτεύω ‘overlook, watch’, μάρτυς ‘witness’