Can an adult woman have the halakhic status of an amah Ivriyah (Hebrew maidservant)?

This source-based Torah study examines the question: Can an adult woman have the halakhic status of an amah Ivriyah (Hebrew maidservant)? The canonical Hebrew article develops the issue through Parashat Mishpatim and the sources cited there. This localized discovery layer preserves the question and the source identity; it does not add any new halakhic, medical, legal, scientific, historical, theological, or empirical ruling or claim beyond the canonical Hebrew source.