Estate is a noun.
If the property was part of the estate then the proceeds are also part of the estate.
The part of speech for this particular word is a noun.
part of speech
The part of speech for "answer" is a noun.
what part of speech is beneath
adverb
A car would be a part of the estate. If there is a loan on the vehicle, the estate has to determine what to do. They can sell it if it makes sense.
The property is now part of your sister's estate.
The part of speech for "explicit" is an adjective.
The part of speech for "lecturer" is a noun.
The part of speech for "rapid" is an adjective.
The part of speech of "came" is a verb.