γρηγορειτε verb - present active middle - second person
gregoreuo  gray-gor-yoo'-o: to keep awake, i.e. watch -- be vigilant, wake, (be) watch(-ful).
ουν conjunction
oun  oon: (adverbially) certainly, or (conjunctionally) accordingly -- and (so, truly), but, now (then), so (likewise then), then, therefore, verily, wherefore.
ουκ particle - nominative
ou  oo: no or not -- + long, nay, neither, never, no (man), none, (can-)not, + nothing, + special, un(-worthy), when, + without, + yet but.
οιδατε verb - perfect active indicative - second person
eido  i'-do: to see; by implication, (in the perfect tense only) to know
γαρ conjunction
gar  gar: assigning a reason (used in argument, explanation or intensification; often with other particles)
ποτε particle - interrogative
pote  pot'-eh: interrogative adverb, at what time -- + how long, when.
ο definite article - nominative 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.
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.
της definite article - genitive 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.
οικιας noun - genitive singular feminine
oikia  oy-kee'-ah: residence (abstractly), but usually (concretely) an abode; by implication, a family (especially domestics) -- home, house(-hold).
ερχεται verb - present middle or passive deponent indicative - third person singular
erchomai er'-khom-ahee: accompany, appear, bring, come, enter, fall out, go, grow, light, next, pass, resort, be set.
οψε adverb
opse  op-seh': (adverbially) late in the day; by extension, after the close of the day -- (at) even, in the end.
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.
μεσονυκτιου noun - genitive singular neuter
mesonuktion  mes-on-ook'-tee-on:  midnight (especially as a watch) -- midnight.
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.
αλεκτοροφωνιας noun - genitive singular feminine
alektorophonia  al-ek-tor-of-o-nee'-ah: cock-crow, i.e. the third night-watch -- cockcrowing.
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.
πρωι adverb
proi  pro-ee': at dawn; by implication, the day-break watch -- early (in the morning), (in the) morning.