Declension table of ?apāṣṭhavat

Masculine	Singular	Dual	Plural
Nominative	apāṣṭhavān	apāṣṭhavantau	apāṣṭhavantaḥ
Vocative	apāṣṭhavan	apāṣṭhavantau	apāṣṭhavantaḥ
Accusative	apāṣṭhavantam	apāṣṭhavantau	apāṣṭhavataḥ
Instrumental	apāṣṭhavatā	apāṣṭhavadbhyām	apāṣṭhavadbhiḥ
Dative	apāṣṭhavate	apāṣṭhavadbhyām	apāṣṭhavadbhyaḥ
Ablative	apāṣṭhavataḥ	apāṣṭhavadbhyām	apāṣṭhavadbhyaḥ
Genitive	apāṣṭhavataḥ	apāṣṭhavatoḥ	apāṣṭhavatām
Locative	apāṣṭhavati	apāṣṭhavatoḥ	apāṣṭhavatsu

Compound apāṣṭhavat -

Adverb -apāṣṭhavantam