φύλαξphýlax

Meanings

Same root

• φυλάσσωphylássō · G5442to watch, i.e. be on guard (literally of figuratively); by implication, to preserve, obey, avoid
• φυλακίζωphylakízō · G5439to incarcerate
• δεσμοφύλαξdesmophýlax · G1200a jailer (as guarding the prisoners)

Where it appears

Appears 3 times in the Bible.

• Acts 5:23 “The jail was securely locked, with the guards standing outside, but when we opened the gates, no one was there!”
• Acts 12:6 The night before Peter was to be placed on trial, he was asleep, fastened with two chains between two soldiers. Others stood guard at the prison gate.
• Acts 12:19 Herod Agrippa ordered a thorough search for him. When he couldn’t be found, Herod interrogated the guards and sentenced them to death. Afterward Herod left Judea to stay in Caesarea for a while.