Declension table of ?sahasrāsya

Masculine	Singular	Dual	Plural
Nominative	sahasrāsyaḥ	sahasrāsyau	sahasrāsyāḥ
Vocative	sahasrāsya	sahasrāsyau	sahasrāsyāḥ
Accusative	sahasrāsyam	sahasrāsyau	sahasrāsyān
Instrumental	sahasrāsyena	sahasrāsyābhyām	sahasrāsyaiḥ sahasrāsyebhiḥ
Dative	sahasrāsyāya	sahasrāsyābhyām	sahasrāsyebhyaḥ
Ablative	sahasrāsyāt	sahasrāsyābhyām	sahasrāsyebhyaḥ
Genitive	sahasrāsyasya	sahasrāsyayoḥ	sahasrāsyānām
Locative	sahasrāsye	sahasrāsyayoḥ	sahasrāsyeṣu

Compound sahasrāsya -

Adverb -sahasrāsyam -sahasrāsyāt