ηλθεν verb - second aorist active indicative - third person singular
erchomai er'-khom-ahee: accompany, appear, bring, come, enter, fall out, go, grow, light, next, pass, resort, be set.
δε conjunction
de  deh: but, and, etc. -- also, and, but, moreover, now (often unexpressed in English).
η definite article - nominative 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.
ημερα noun - nominative singular feminine
hemera  hay-mer'-ah: age, + alway, (mid-)day (by day, (-ly), + for ever, judgment, (day) time, while, years.
των definite article - genitive plural 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.
αζυμων adjective - genitive plural neuter
azumos  ad'-zoo-mos: unleavened, i.e. (figuratively) uncorrupted; (in the neutral plural) specially (by implication) the Passover week -- unleavened (bread).
εν preposition
en  en: in, at, (up-)on, by, etc.
η relative pronoun - dative singular feminine
hos  hos: the relatively (sometimes demonstrative) pronoun, who, which, what, that -- one, (an-, the) other, some, that, what, which, who(-m, -se), etc.
εδει verb - imperfect impersonal active indicative - third person singular
dei  die: also deon deh-on'; neuter active participle of the same; both used impersonally; it is (was, etc.) necessary (as binding) -- behoved, be meet, must (needs), (be) need(-ful), ought, should.
θυεσθαι verb - present passive middle or passive deponent
thuo  thoo'-o: to rush (breathe hard, blow, smoke), i.e. (by implication) to sacrifice (by fire, but genitive case); by extension to immolate (slaughter for any purpose)
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.
πασχα aramaic transliterated word
pascha  pas'-khah: the Passover (the meal, the day, the festival or the special sacrifices connected with it) -- Easter, Passover.