Perikephalaia denotes the head-protecting item named with salvation in the supplied verses.

The attested use is a head-protecting item in two salvation-related equipment lists: one is to be put on in 1 Thessalonians 5:8, and one is to be taken in Ephesians 6:17.

1. Head protection in equipment imagery · dominant

   The accusative singular feminine form occurs in lists of protective equipment. In 1 Thessalonians 5:8 the APB renders “having put on the breastplate of faith and love, and for a helmet the hope of salvation”; in Ephesians 6:17 it renders “Take also the helmet of salvation and the sword of the Spirit.”

   1 Thessalonians 5:8Ephesians 6:17

In the Anselm Project Bible: Across both verses, the APB presents the term as “helmet,” once alongside “the hope of salvation” and once as “the helmet of salvation.” The verse is read as a whole, but both clauses place the form within equipment imagery.