Declension table of ?niṣṭhya

Neuter	Singular	Dual	Plural
Nominative	niṣṭhyam	niṣṭhye	niṣṭhyāni
Vocative	niṣṭhya	niṣṭhye	niṣṭhyāni
Accusative	niṣṭhyam	niṣṭhye	niṣṭhyāni
Instrumental	niṣṭhyena	niṣṭhyābhyām	niṣṭhyaiḥ
Dative	niṣṭhyāya	niṣṭhyābhyām	niṣṭhyebhyaḥ
Ablative	niṣṭhyāt	niṣṭhyābhyām	niṣṭhyebhyaḥ
Genitive	niṣṭhyasya	niṣṭhyayoḥ	niṣṭhyānām
Locative	niṣṭhye	niṣṭhyayoḥ	niṣṭhyeṣu

Compound niṣṭhya -

Adverb -niṣṭhyam -niṣṭhyāt