Declension table of ?sahasrasaṅkhya

Masculine	Singular	Dual	Plural
Nominative	sahasrasaṅkhyaḥ	sahasrasaṅkhyau	sahasrasaṅkhyāḥ
Vocative	sahasrasaṅkhya	sahasrasaṅkhyau	sahasrasaṅkhyāḥ
Accusative	sahasrasaṅkhyam	sahasrasaṅkhyau	sahasrasaṅkhyān
Instrumental	sahasrasaṅkhyena	sahasrasaṅkhyābhyām	sahasrasaṅkhyaiḥ sahasrasaṅkhyebhiḥ
Dative	sahasrasaṅkhyāya	sahasrasaṅkhyābhyām	sahasrasaṅkhyebhyaḥ
Ablative	sahasrasaṅkhyāt	sahasrasaṅkhyābhyām	sahasrasaṅkhyebhyaḥ
Genitive	sahasrasaṅkhyasya	sahasrasaṅkhyayoḥ	sahasrasaṅkhyānām
Locative	sahasrasaṅkhye	sahasrasaṅkhyayoḥ	sahasrasaṅkhyeṣu

Compound sahasrasaṅkhya -

Adverb -sahasrasaṅkhyam -sahasrasaṅkhyāt