Declension table of ?eṣṭavat

Masculine	Singular	Dual	Plural
Nominative	eṣṭavān	eṣṭavantau	eṣṭavantaḥ
Vocative	eṣṭavan	eṣṭavantau	eṣṭavantaḥ
Accusative	eṣṭavantam	eṣṭavantau	eṣṭavataḥ
Instrumental	eṣṭavatā	eṣṭavadbhyām	eṣṭavadbhiḥ
Dative	eṣṭavate	eṣṭavadbhyām	eṣṭavadbhyaḥ
Ablative	eṣṭavataḥ	eṣṭavadbhyām	eṣṭavadbhyaḥ
Genitive	eṣṭavataḥ	eṣṭavatoḥ	eṣṭavatām
Locative	eṣṭavati	eṣṭavatoḥ	eṣṭavatsu

Compound eṣṭavat -

Adverb -eṣṭavantam