Declension table of ?ādivas

Neuter	Singular	Dual	Plural
Nominative	ādivat	āduṣī	ādivāṃsi
Vocative	ādivat	āduṣī	ādivāṃsi
Accusative	ādivat	āduṣī	ādivāṃsi
Instrumental	āduṣā	ādivadbhyām	ādivadbhiḥ
Dative	āduṣe	ādivadbhyām	ādivadbhyaḥ
Ablative	āduṣaḥ	ādivadbhyām	ādivadbhyaḥ
Genitive	āduṣaḥ	āduṣoḥ	āduṣām
Locative	āduṣi	āduṣoḥ	ādivatsu

Compound ādivat -

Adverb -ādivas