Declension table of ?iṣṭāvat

Masculine	Singular	Dual	Plural
Nominative	iṣṭāvān	iṣṭāvantau	iṣṭāvantaḥ
Vocative	iṣṭāvan	iṣṭāvantau	iṣṭāvantaḥ
Accusative	iṣṭāvantam	iṣṭāvantau	iṣṭāvataḥ
Instrumental	iṣṭāvatā	iṣṭāvadbhyām	iṣṭāvadbhiḥ
Dative	iṣṭāvate	iṣṭāvadbhyām	iṣṭāvadbhyaḥ
Ablative	iṣṭāvataḥ	iṣṭāvadbhyām	iṣṭāvadbhyaḥ
Genitive	iṣṭāvataḥ	iṣṭāvatoḥ	iṣṭāvatām
Locative	iṣṭāvati	iṣṭāvatoḥ	iṣṭāvatsu

Compound iṣṭāvat -

Adverb -iṣṭāvantam