Declension table of ?sahasrāyuṣṭva

Neuter	Singular	Dual	Plural
Nominative	sahasrāyuṣṭvam	sahasrāyuṣṭve	sahasrāyuṣṭvāni
Vocative	sahasrāyuṣṭva	sahasrāyuṣṭve	sahasrāyuṣṭvāni
Accusative	sahasrāyuṣṭvam	sahasrāyuṣṭve	sahasrāyuṣṭvāni
Instrumental	sahasrāyuṣṭvena	sahasrāyuṣṭvābhyām	sahasrāyuṣṭvaiḥ
Dative	sahasrāyuṣṭvāya	sahasrāyuṣṭvābhyām	sahasrāyuṣṭvebhyaḥ
Ablative	sahasrāyuṣṭvāt	sahasrāyuṣṭvābhyām	sahasrāyuṣṭvebhyaḥ
Genitive	sahasrāyuṣṭvasya	sahasrāyuṣṭvayoḥ	sahasrāyuṣṭvānām
Locative	sahasrāyuṣṭve	sahasrāyuṣṭvayoḥ	sahasrāyuṣṭveṣu

Compound sahasrāyuṣṭva -

Adverb -sahasrāyuṣṭvam -sahasrāyuṣṭvāt