Declension table of ?peṣṭavat

Masculine	Singular	Dual	Plural
Nominative	peṣṭavān	peṣṭavantau	peṣṭavantaḥ
Vocative	peṣṭavan	peṣṭavantau	peṣṭavantaḥ
Accusative	peṣṭavantam	peṣṭavantau	peṣṭavataḥ
Instrumental	peṣṭavatā	peṣṭavadbhyām	peṣṭavadbhiḥ
Dative	peṣṭavate	peṣṭavadbhyām	peṣṭavadbhyaḥ
Ablative	peṣṭavataḥ	peṣṭavadbhyām	peṣṭavadbhyaḥ
Genitive	peṣṭavataḥ	peṣṭavatoḥ	peṣṭavatām
Locative	peṣṭavati	peṣṭavatoḥ	peṣṭavatsu

Compound peṣṭavat -

Adverb -peṣṭavantam