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
pentekoste (Greek #4005)
fiftieth (2250 being implied) from Passover, i.e. the festival of "Pentecost"
KJV usage: Pentecost.
Pronounce: pen-tay-kos-tay'
Origin: feminine of the ordinal of 4004