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
energeia (Greek #1753)
efficiency ("energy")
KJV usage: operation, strong, (effectual) working.
Pronounce: en-erg'-i-ah