οτι conjunction
hoti  hot'-ee: demonstrative, that (sometimes redundant); causative, because -- as concerning that, as though, because (that), for (that), how (that), (in) that, though, why.
ετεχθη verb - aorist passive indicative - third person singular
tikto  tik'-to: to produce (from seed, as a mother, a plant, the earth, etc.), literally or figuratively -- bear, be born, bring forth, be delivered, be in travail.
υμιν personal pronoun - second person dative plural
humin  hoo-min': to (with or by) you -- ye, you, your(-selves).
σημερον adverb
semeron  say'-mer-on: on the (i.e. this) day (or night current or just passed); generally, now (i.e. at present, hitherto) -- this (to-)day.
σωτηρ noun - nominative singular masculine
soter  so-tare': a deliverer, i.e. God or Christ -- saviour.
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.
εστιν verb - present indicative - third person singular
esti  es-tee':  he (she or it) is; also (with neuter plural) they are
χριστος noun - nominative singular masculine
Christos  khris-tos': anointed, i.e. the Messiah, an epithet of Jesus -- Christ.
κυριος noun - nominative singular masculine
kurios  koo'-ree-os: supreme in authority, i.e. (as noun) controller; by implication, Master (as a respectful title) -- God, Lord, master, Sir.
εν preposition
en  en: in, at, (up-)on, by, etc.
πολει noun - dative singular feminine
polis  pol'-is: a town (properly, with walls, of greater or less size) -- city.
δαυιδ proper noun
Dabid  dab-eed': Dabid (i.e. David), the Israelite king -- David.