Learn how to say Heirdom correctly in English with this tutorial pronunciation video.
Oxford dictionary definition of the word heir:
a person legally entitled to the property or rank of another on that person’s death:
his eldest son and heir
the heir to the throne
a person who inherits and continues the work of a predecessor:
they saw themselves as heirs of the Cubists
Middle English: via Old French from Latin heres
Remember that heir begins with an h, although it is not heard when you say the word.