το definite article - nominative singular neuter
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
βαπτισμα noun - nominative singular neuter
baptisma  bap'-tis-mah:  baptism (technically or figuratively) -- baptism.
ιωαννου noun - genitive singular masculine
Ioannes  ee-o-an'-nace: Joannes (i.e. Jochanan), the name of four Israelites -- John.
εξ preposition
ek  ek: a primary preposition denoting origin (the point whence action or motion proceeds), from, out (of place, time, or cause literal or figurative; direct or remote)
ουρανου noun - genitive singular masculine
ouranos  oo-ran-os': the sky; by extension, heaven (as the abode of God); by implication, happiness, power, eternity; specially, the Gospel (Christianity) -- air, heaven(-ly), sky.
ην verb - imperfect indicative - third person singular
en  ane: I (thou, etc.) was (wast or were) -- + agree, be, have (+ charge of), hold, use, was(-t), were.
η particle
e  ay: disjunctive, or; comparative, than -- and, but (either), (n-)either, except it be, (n-)or (else), rather, save, than, that, what, yea.
εξ preposition
ek  ek: a primary preposition denoting origin (the point whence action or motion proceeds), from, out (of place, time, or cause literal or figurative; direct or remote)
ανθρωπων noun - genitive plural masculine
anthropos  anth'-ro-pos: man-faced, i.e. a human being -- certain, man.