Declension table of ?sahasrī

Feminine	Singular	Dual	Plural
Nominative	sahasrī	sahasryau	sahasryaḥ
Vocative	sahasri	sahasryau	sahasryaḥ
Accusative	sahasrīm	sahasryau	sahasrīḥ
Instrumental	sahasryā	sahasrībhyām	sahasrībhiḥ
Dative	sahasryai	sahasrībhyām	sahasrībhyaḥ
Ablative	sahasryāḥ	sahasrībhyām	sahasrībhyaḥ
Genitive	sahasryāḥ	sahasryoḥ	sahasrīṇām
Locative	sahasryām	sahasryoḥ	sahasrīṣu

Compound sahasri - sahasrī -

Adverb -sahasri