Declension table of ?mahāṣaṣṭhī

Feminine	Singular	Dual	Plural
Nominative	mahāṣaṣṭhī	mahāṣaṣṭhyau	mahāṣaṣṭhyaḥ
Vocative	mahāṣaṣṭhi	mahāṣaṣṭhyau	mahāṣaṣṭhyaḥ
Accusative	mahāṣaṣṭhīm	mahāṣaṣṭhyau	mahāṣaṣṭhīḥ
Instrumental	mahāṣaṣṭhyā	mahāṣaṣṭhībhyām	mahāṣaṣṭhībhiḥ
Dative	mahāṣaṣṭhyai	mahāṣaṣṭhībhyām	mahāṣaṣṭhībhyaḥ
Ablative	mahāṣaṣṭhyāḥ	mahāṣaṣṭhībhyām	mahāṣaṣṭhībhyaḥ
Genitive	mahāṣaṣṭhyāḥ	mahāṣaṣṭhyoḥ	mahāṣaṣṭhīnām
Locative	mahāṣaṣṭhyām	mahāṣaṣṭhyoḥ	mahāṣaṣṭhīṣu

Compound mahāṣaṣṭhi - mahāṣaṣṭhī -

Adverb -mahāṣaṣṭhi