Seisachtheia

...He then freed the Hektemoroi, restored their lands, redeemed and set free the debt slaves, and forbade future personal debts. These measures, called "seisachtheia," solved the debt problem at once, but the land was not redistributed, so dissatisfaction remained among the peasants who had little or no land. He then began to reform the constitution, dividing the citizens into four classes according to the amount of annual income from agricultural products, i.e., land ownership: the 500-koku class, the knights, the peasants, and the workers. He placed the important positions, such as the treasurer and probably the archon, in the 500-koku class, and the other positions in the knights and peasants according to their importance, and gave the workers the right to participate in the popular assembly and the popular court. ...

*Some of the terminology explanations that mention "seisachtheia" are listed below.

Source | Heibonsha World Encyclopedia 2nd Edition | Information

…そしてヘクテモロイを解放し，かつての彼らの土地を彼らに返し，債務奴隷をあがなって自由にし，さらに身体を抵当とする借財を将来にわたって禁止した。〈重荷おろしseisachtheia〉と呼ばれるこれらの措置によって，借財問題は一挙に解決したが，土地の再分配は行われなかったので，土地を全くかまたは少ししか持たない農民の不満は残った。次に彼は国制の改革に着手し，農産物の年収すなわち土地所有の大きい順に，市民を五百石級，騎士級，農民級，労働者級の四つの等級に分け，財務官やたぶんアルコンのような重い役職は五百石級に，他の役職はその軽重に応じて騎士級と農民級に分配し，労働者級には民会と民衆裁判所にあずかる権利を与えた。…

※「seisachtheia」について言及している用語解説の一部を掲載しています。

出典｜株式会社平凡社世界大百科事典 第２版について | 情報