Somehow the oikos obtains a chunk of land that is understood to belong to it.

贵族家庭控制了大片土地,土地属于其私人所有

耶鲁公开课 - 古希腊历史简介课程节选

As Hanson says, thus arose the kleros, or the idea of a privately held plot attached not to any one person, but rather in perpetuity to a single farm family or oikos.

如汉森所言,kleros兴起了,或是说有了私有土地,而不再属于单个人的观念产生了,也可永久的属于单个的农业家庭或者领主

耶鲁公开课 - 古希腊历史简介课程节选