This is the 4298th most frequent Russian word.
ареста
The Russian word "ареста" is the genitive singular form of "арест" and means "arrest" (as in detainment by authorities).
The word 'ареста' is used in the genitive case to indicate something that occurred after the arrest.
После ареста подозреваемого выяснилось множество новых деталей.
After the arrest of the suspect, many new details were revealed.
The word 'ареста' here describes the legal action of seizing property, showing its application in a judicial sense.
Судья принял решение об аресте имущества ответчика.
The judge decided on the seizure of the defendant's property.
'Ареста' in this example refers to the act of detaining someone, used in a formal context.