de (Greek #1161)
but, and, etc.
KJV usage: also, and, but, moreover, now (often unexpressed in English).
Pronounce: deh
Origin: a primary particle (adversative or continuative)
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
echthros (Greek #2190)
hateful (passively, odious, or actively, hostile); usually as a noun, an adversary (especially Satan)
KJV usage: enemy, foe.
Pronounce: ech-thros'
Origin: from a primary ἔχθω (to hate)