Qistina
While the exact name form Qistina is not mentioned, its root Q-S-T appears in Surah Al-Hadid (57:25) meaning justice.
The root is Arabic, but the feminine suffix -ina reflects Persian linguistic influence, making it common in Persian and Balochi Muslim cultures.
It symbolizes fairness, moral integrity, equitable judgment, and standing for truth even against oneself.
Yes, it carries strong Islamic meaning related to divine justice and is completely permissible.
It is extremely rare globally, with fewer than 1000 recorded instances, making it a unique choice.