Declension table of ?aṣṭavya

Neuter	Singular	Dual	Plural
Nominative	aṣṭavyam	aṣṭavye	aṣṭavyāni
Vocative	aṣṭavya	aṣṭavye	aṣṭavyāni
Accusative	aṣṭavyam	aṣṭavye	aṣṭavyāni
Instrumental	aṣṭavyena	aṣṭavyābhyām	aṣṭavyaiḥ
Dative	aṣṭavyāya	aṣṭavyābhyām	aṣṭavyebhyaḥ
Ablative	aṣṭavyāt	aṣṭavyābhyām	aṣṭavyebhyaḥ
Genitive	aṣṭavyasya	aṣṭavyayoḥ	aṣṭavyānām
Locative	aṣṭavye	aṣṭavyayoḥ	aṣṭavyeṣu

Compound aṣṭavya -

Adverb -aṣṭavyam -aṣṭavyāt