ος relative pronoun - nominative singular masculine
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
εμαρτυρησεν verb - aorist active indicative - third person singular
martureo  mar-too-reh'-o: to be a witness, i.e. testify
τον definite article - accusative singular masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
λογον noun - accusative singular masculine
logos  log'-os: something said (including the thought); by implication, a topic (subject of discourse), also reasoning (the mental faculty) or motive; by extension, a computation; specially, (with the article in John) the Divine Expression (i.e. Christ) -- account, cause, communication, concerning, doctrine, fame, have to do, intent, matter, mouth, preaching, question, reason, + reckon, remove, say(-ing), shew, speaker, speech, talk, thing, + none of these things move me, tidings, treatise, utterance, word, work.
του definite article - genitive singular masculine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
θεου noun - genitive singular masculine
theos  theh'-os: a deity; figuratively, a magistrate; by Hebraism, very -- exceeding, God, god(-ly, -ward).
και conjunction
kai  kahee: and, also, even, so then, too, etc.; often used in connection (or composition) with other particles or small words
την definite article - accusative singular feminine
ho  ho: the definite article; the (sometimes to be supplied, at others omitted, in English idiom) -- the, this, that, one, he, she, it, etc.
μαρτυριαν noun - accusative singular feminine
marturia  mar-too-ree'-ah: evidence given (judicially or genitive case) -- record, report, testimony, witness.
ιησου noun - genitive singular masculine
Iesous  ee-ay-sooce': Jesus (i.e. Jehoshua), the name of our Lord and two (three) other Israelites -- Jesus.
χριστου noun - genitive singular masculine
Christos  khris-tos': anointed, i.e. the Messiah, an epithet of Jesus -- Christ.
οσα correlative pronoun - accusative plural neuter
hosos  hos'-os: as (much, great, long, etc.) as
ειδεν verb - second aorist active indicative - third person singular
eido  i'-do: to see; by implication, (in the perfect tense only) to know