reflexive possessive

Etymology
From 🇰🇲.

Noun

 * 1)  An auxiliary grammatical construction in which the object of a clause is stated to be in the possession of the subject; usually as way to clarify, specify or emphasize the overall meaning of the statement.

Usage notes
In English, reflexive possession is usually conveyed by using the word after a pronoun that refers to the subject: e.g. "her own".