Declension table of ?peṣṭavya

Neuter	Singular	Dual	Plural
Nominative	peṣṭavyam	peṣṭavye	peṣṭavyāni
Vocative	peṣṭavya	peṣṭavye	peṣṭavyāni
Accusative	peṣṭavyam	peṣṭavye	peṣṭavyāni
Instrumental	peṣṭavyena	peṣṭavyābhyām	peṣṭavyaiḥ
Dative	peṣṭavyāya	peṣṭavyābhyām	peṣṭavyebhyaḥ
Ablative	peṣṭavyāt	peṣṭavyābhyām	peṣṭavyebhyaḥ
Genitive	peṣṭavyasya	peṣṭavyayoḥ	peṣṭavyānām
Locative	peṣṭavye	peṣṭavyayoḥ	peṣṭavyeṣu

Compound peṣṭavya -

Adverb -peṣṭavyam -peṣṭavyāt