Declension table of ?upasthāvara

Neuter	Singular	Dual	Plural
Nominative	upasthāvaram	upasthāvare	upasthāvarāṇi
Vocative	upasthāvara	upasthāvare	upasthāvarāṇi
Accusative	upasthāvaram	upasthāvare	upasthāvarāṇi
Instrumental	upasthāvareṇa	upasthāvarābhyām	upasthāvaraiḥ
Dative	upasthāvarāya	upasthāvarābhyām	upasthāvarebhyaḥ
Ablative	upasthāvarāt	upasthāvarābhyām	upasthāvarebhyaḥ
Genitive	upasthāvarasya	upasthāvarayoḥ	upasthāvarāṇām
Locative	upasthāvare	upasthāvarayoḥ	upasthāvareṣu

Compound upasthāvara -

Adverb -upasthāvaram -upasthāvarāt