Declension table of ?dvyaṣṭasāhasra

Neuter	Singular	Dual	Plural
Nominative	dvyaṣṭasāhasram	dvyaṣṭasāhasre	dvyaṣṭasāhasrāṇi
Vocative	dvyaṣṭasāhasra	dvyaṣṭasāhasre	dvyaṣṭasāhasrāṇi
Accusative	dvyaṣṭasāhasram	dvyaṣṭasāhasre	dvyaṣṭasāhasrāṇi
Instrumental	dvyaṣṭasāhasreṇa	dvyaṣṭasāhasrābhyām	dvyaṣṭasāhasraiḥ
Dative	dvyaṣṭasāhasrāya	dvyaṣṭasāhasrābhyām	dvyaṣṭasāhasrebhyaḥ
Ablative	dvyaṣṭasāhasrāt	dvyaṣṭasāhasrābhyām	dvyaṣṭasāhasrebhyaḥ
Genitive	dvyaṣṭasāhasrasya	dvyaṣṭasāhasrayoḥ	dvyaṣṭasāhasrāṇām
Locative	dvyaṣṭasāhasre	dvyaṣṭasāhasrayoḥ	dvyaṣṭasāhasreṣu

Compound dvyaṣṭasāhasra -

Adverb -dvyaṣṭasāhasram -dvyaṣṭasāhasrāt