περικεφαλαία (perikephalaia)
perikephalaia
helmet
Quick Reference
- Language
- Koine Greek
- Testament
- New Testament
- Occurrences
- 2 verses
- Root
- —
Word Overview
The noun perikephalaia denotes a helmet, specifically the protective headgear worn by soldiers in antiquity. Its literal meaning is straightforward, describing an object designed to shield the wearer’s most vital area from impact. In the New Testament, this term appears only twice, both within Paul’s letters where he employs military imagery to describe spiritual realities.
Paul uses this word figuratively to represent the hope of salvation as a divine defense for the believer. In Ephesians 6:17, he instructs Christians to take up the "helmet of salvation," linking physical protection with the assurance of deliverance. This usage draws on the Old Testament tradition, such as Isaiah 59:17, where God Himself is depicted wearing a helmet of salvation while battling enemies.
The word’s etymology highlights its function: it combines peri ("around") and kephalē ("head"), literally meaning that which surrounds the head. By applying this concrete image to abstract spiritual concepts, Paul emphasizes that hope is not merely an emotion but a sturdy piece of defensive equipment essential for standing firm against spiritual opposition.
Based on public-domain lexicons (Strong's, Thayer, Gesenius, Brown-Driver-Briggs and others).
What This Word Means for Your Faith
The word perikephalaia refers to the heavy helmet worn by Roman soldiers, designed specifically to protect the head—the seat of thought and identity—from crushing blows. In the New Testament, Paul uses this concrete image to describe a spiritual reality that shields our minds. He does not speak of a vague wish, but of a sturdy piece of defensive equipment essential for standing firm against opposition.
When we put on the helmet of salvation, we are equipping ourselves with the assurance of deliverance. This hope is not merely an emotion; it is a divine defense that guards our thoughts and identity in Christ. By focusing on what God has secured for us, we find stability when doubts or fears try to strike at our confidence.
This imagery invites us to consider how we prepare for daily challenges. Just as a soldier relies on his gear, we rely on the truth of our salvation. It is a reminder that our protection comes from God, giving us peace and clarity in a world that often feels chaotic and threatening.
How it's translated
How this word is rendered word-by-word in the 2 verses where it appears, by frequency.
- helmet1×
- [the] helmet1×
Forms in the text
The inflected forms of this word as they appear in Scripture, by frequency.
- περικεφαλαίαν2×
Key Verses
-
Ephesians 6:17
And take the helmet of salvation, and the sword of the Spirit, which is the word of God;
Paul explicitly identifies the helmet as 'salvation,' linking physical protection to the believer's assurance of deliverance.
-
I Thessalonians 5:8
But since we belong to the day, let’s be sober, putting on the breastplate of faith and love, and for a helmet, the hope of salvation.
Here Paul calls it 'the hope of salvation,' emphasizing that this mental shield is rooted in confident expectation rather than fear.