ho (Greek #3588)
the definite article; the (sometimes to be supplied, at others omitted, in English idiom)
KJV usage: the, this, that, one, he, she, it, etc.
Pronounce: ho
Origin: ἡ (hay), and the neuter τό (to) in all their inflections
perikephalaia (Greek #4030)
encirclement of the head, i.e. a helmet
KJV usage: helmet.
Pronounce: per-ee-kef-al-ah'-yah
Origin: feminine of a compound of 4012 and 2776