Declension table of ?dvyaṣṭasahasra

Neuter	Singular	Dual	Plural
Nominative	dvyaṣṭasahasram	dvyaṣṭasahasre	dvyaṣṭasahasrāṇi
Vocative	dvyaṣṭasahasra	dvyaṣṭasahasre	dvyaṣṭasahasrāṇi
Accusative	dvyaṣṭasahasram	dvyaṣṭasahasre	dvyaṣṭasahasrāṇi
Instrumental	dvyaṣṭasahasreṇa	dvyaṣṭasahasrābhyām	dvyaṣṭasahasraiḥ
Dative	dvyaṣṭasahasrāya	dvyaṣṭasahasrābhyām	dvyaṣṭasahasrebhyaḥ
Ablative	dvyaṣṭasahasrāt	dvyaṣṭasahasrābhyām	dvyaṣṭasahasrebhyaḥ
Genitive	dvyaṣṭasahasrasya	dvyaṣṭasahasrayoḥ	dvyaṣṭasahasrāṇām
Locative	dvyaṣṭasahasre	dvyaṣṭasahasrayoḥ	dvyaṣṭasahasreṣu

Compound dvyaṣṭasahasra -

Adverb -dvyaṣṭasahasram -dvyaṣṭasahasrāt