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
thura (Greek #2374)
a portal or entrance (the opening or the closure, literally or figuratively)
KJV usage: door, gate.
Pronounce: thoo'-rah
Origin: apparently a primary word (compare "door")