οταν conjunction
hotan  hot'-an: whenever (implying hypothesis or more or less uncertainty); also causatively (conjunctionally) inasmuch as -- as long (soon) as, that, + till, when(-soever), while.
ουν conjunction
oun  oon: (adverbially) certainly, or (conjunctionally) accordingly -- and (so, truly), but, now (then), so (likewise then), then, therefore, verily, wherefore.
ελθη verb - second aorist active subjunctive - third person singular
erchomai er'-khom-ahee: accompany, appear, bring, come, enter, fall out, go, grow, light, next, pass, resort, be set.
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.
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.
αμπελωνος noun - genitive singular masculine
ampelon  am-pel-ohn':  a vineyard -- vineyard.
τι interrogative pronoun - accusative 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.
ποιησει verb - future active indicative - third person singular
poieo  poy-eh'-o: to make or do (in a very wide application, more or less direct)
τοις definite article - dative plural 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.
γεωργοις noun - dative plural masculine
georgos  gheh-ore-gos': a land-worker, i.e. farmer -- husbandman.
εκεινοις demonstrative pronoun - dative plural masculine
ekeinos  ek-i'-nos: that one (or (neuter) thing); often intensified by the article prefixed -- he, it, the other (same), selfsame, that (same, very), their, them, they, this, those.