From kleros and the base of nomos (in its original sense of partitioning, i.e. (reflexively) getting by apportionment); a sharer by lot, i.e. Inheritor (literally or figuratively); by implication, a possessor -- heir.
KJV: But when the husbandmen saw him, they reasoned among themselves, saying, This is the heir: come, let us kill him, that the inheritance may be ours.
NASB: "But when the vine-growers saw him, they reasoned with one another, saying, 'This is the heir; let us kill him so that the inheritance will be ours.'
KJV: For the promise, that he should be the heir of the world, was not to Abraham, or to his seed, through the law, but through the righteousness of faith.
NASB: For the promise to Abraham or to his descendants that he would be heir of the world was not through the Law, but through the righteousness of faith.