What is the meaning of Niya?

wish, will

his; her

him; her

his; her

3rd person singular ergative pronoun: he; she

by him/her

of him/her

his/her

Rōmaji transcription of にや

3rd person singular possessive pronoun: his; her; ~ of his; ~ of hers

its; of it

3rd person singular ergative pronoun: by him; by her

by it

Source: wiktionary.org