What  -- The word translated as "what" means primarily "anything" or "anyone," but Jesus often uses it to start a question so it means "who", "what", or even "why". The form here is neuter, "anything."

shall -- This helping verb indicates that the following verb is the future tense. Helping verbs are not needed in Greek but required in English translations.

therefore  -- (OS) There is no Greek word that is translated as "therefore" in the source we use today but it does exist in the source that the KJV translators used.

the -- The word translated as "the" is the Greek definite article. The Greek article is much closer to our demonstrative pronouns ("this", "that", "these", "those"). See this article for more. 

lord -- The word translated as "lord" is the same word that is often translated as "Lord" or "the Lord" in the NT. It also means "lord", "master of the house," and "head of the family." It is the specific terms for the master of slaves or servants, but it was a common term of respect both for those in authority and who were honored. It was the term people used to address Christ, even though he had no formal authority. Today, we would say "boss" or "chief".

of -- This word comes from the genitive case of the following word(s) that required the addition of a preposition in English.  The most common is the "of" of possession, but it can also mean "belonging to," "part of", "which is", "than" (in comparisons), or  "for", "concerning" or "about" with transitive verbs. 

the -- The word translated as "the" is the Greek definite article. The Greek article is much closer to our demonstrative pronouns ("this", "that", "these", "those"). See this article for more. 

vineyard -- "Vineyard" is the Greek noun that means simply "vineyard."

do? -- The Greek word translated as "do" has the primary meaning of "making" or producing" something or "causing" or "performing" as service. It describes a productive action.  It is not as broad a word as the English "do", which covers all actions, productive or not. 

he -- This is from the third-person, singular form of the verb.

will -- This helping verb indicates that the following verb is the future tense. Helping verbs are not needed in Greek.

come -- The word translated as "come" primarily means "to start out" but Jesus usually uses it to mean "come" but not always. It indicates movement, especially its beginning, without indicating a direction toward or away from anything, so it works either as "come" or "go," but it is more like our phrase "being underway." Our English word "show up" captures both the "start" and "come" ideas. 

and -- The Greek word translated as "and" is used as the conjunction "and", but it also is used to add emphasis ("also"). In a series, it is best translated as "not only...but also." After words implying sameness "as".

destroy  -- The word translated as "destroy" means to destroy or demolish.

the -- The word translated as "the" is the Greek definite article.The Greek article is much closer to our demonstrative pronouns ("this", "that", "these", "those"). See this article for more.

husbandmen -- "Husbandmen" is the Greek noun that means "husbandman", "vine dresser", "gardener," and "peasant."

and -- The Greek word translated as "and" is used as the conjunction "and", but it also is used to add emphasis ("also").

will -- This helping verb indicates that the following verb is the future tense. Helping verbs are not needed in Greek.

give -- The verb translated as "give" means "to give", "to grant", "to hand over", "appoint", "establish," and "to describe." It is almost always translated as some form of "give."

the -- The word translated as "the" is the Greek definite article, which usually precedes a noun and, without a noun, takes the meaning of "the one." The Greek article is much closer to our demonstrative pronouns ("this", "that", "these", "those"). See this article for more. \\\

vineyard --- "Vineyard" a noun that means simply "vineyard."ineyard" is from ampelôn, (ampelon) which means simply "vineyard."

unto -- This word comes from the dative case of the following word(s) that requires the addition of a preposition in English: a "to" as an indirect object, a "with" for instruments, an "in" for locations, an "as" for purposes, an "of" for possession, a "by" for agents, an "as" for comparisons, "at" or "on" a time, and an "in" for area of effect. \

others. --  "Others" is a word that means "another", "one besides", "of another sort", "different", "other than what is true", "as well", "besides," {with numerals: "yet", "still", "further"), "of other sort", "other than what is", "untrue", "unreal", "other than right", "wrong", "bad", "unworthy," [with an article] "the rest", "all besides," and [in series] "one...another."