Declension table of ?ceṣṭāvat

Masculine	Singular	Dual	Plural
Nominative	ceṣṭāvān	ceṣṭāvantau	ceṣṭāvantaḥ
Vocative	ceṣṭāvan	ceṣṭāvantau	ceṣṭāvantaḥ
Accusative	ceṣṭāvantam	ceṣṭāvantau	ceṣṭāvataḥ
Instrumental	ceṣṭāvatā	ceṣṭāvadbhyām	ceṣṭāvadbhiḥ
Dative	ceṣṭāvate	ceṣṭāvadbhyām	ceṣṭāvadbhyaḥ
Ablative	ceṣṭāvataḥ	ceṣṭāvadbhyām	ceṣṭāvadbhyaḥ
Genitive	ceṣṭāvataḥ	ceṣṭāvatoḥ	ceṣṭāvatām
Locative	ceṣṭāvati	ceṣṭāvatoḥ	ceṣṭāvatsu

Compound ceṣṭāvat -

Adverb -ceṣṭāvantam