Declension table of ?sahasradvāra

Neuter	Singular	Dual	Plural
Nominative	sahasradvāram	sahasradvāre	sahasradvārāṇi
Vocative	sahasradvāra	sahasradvāre	sahasradvārāṇi
Accusative	sahasradvāram	sahasradvāre	sahasradvārāṇi
Instrumental	sahasradvāreṇa	sahasradvārābhyām	sahasradvāraiḥ
Dative	sahasradvārāya	sahasradvārābhyām	sahasradvārebhyaḥ
Ablative	sahasradvārāt	sahasradvārābhyām	sahasradvārebhyaḥ
Genitive	sahasradvārasya	sahasradvārayoḥ	sahasradvārāṇām
Locative	sahasradvāre	sahasradvārayoḥ	sahasradvāreṣu

Compound sahasradvāra -

Adverb -sahasradvāram -sahasradvārāt