τι interrogative pronoun - nominative singular neuter
tis  tis: an interrogative pronoun, who, which or what (in direct or indirect questions) -- every man, how (much), + no(-ne, thing), what (manner, thing), where (-by, -fore, -of, -unto, -with, -withal), whether, which, who(-m, -se), why.
ουν conjunction
oun  oon: (adverbially) certainly, or (conjunctionally) accordingly -- and (so, truly), but, now (then), so (likewise then), then, therefore, verily, wherefore.
εστιν verb - present indicative - third person singular
esti  es-tee':  he (she or it) is; also (with neuter plural) they are
παντως adverb
pantos  pan'-toce: entirely; specially, at all events, (with negative, following) in no event -- by all means, altogether, at all, needs, no doubt, in (no) wise, surely.
δει verb - present 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.
πληθος noun - nominative singular neuter
plethos  play'-thos: a fulness, i.e. a large number, throng, populace -- bundle, company, multitude.
συνελθειν verb - second aorist active middle or passive deponent
sunerchomai  soon-er'-khom-ahee: to convene, depart in company with, associate with, or (specially), cohabit (conjugally)
ακουσονται verb - future middle deponent indicative - third person
akouo  ak-oo'-o: to hear (in various senses) -- give (in the) audience (of), come (to the ears), (shall) hear(-er, -ken), be noised, be reported, understand.
γαρ conjunction
gar  gar: assigning a reason (used in argument, explanation or intensification; often with other particles)
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.
εληλυθας verb - second perfect active indicative - second person singular
erchomai er'-khom-ahee: accompany, appear, bring, come, enter, fall out, go, grow, light, next, pass, resort, be set.