Declension table of ?sahasrāyus

Masculine	Singular	Dual	Plural
Nominative	sahasrāyuḥ	sahasrāyuṣau	sahasrāyuṣaḥ
Vocative	sahasrāyuḥ	sahasrāyuṣau	sahasrāyuṣaḥ
Accusative	sahasrāyuṣam	sahasrāyuṣau	sahasrāyuṣaḥ
Instrumental	sahasrāyuṣā	sahasrāyurbhyām	sahasrāyurbhiḥ
Dative	sahasrāyuṣe	sahasrāyurbhyām	sahasrāyurbhyaḥ
Ablative	sahasrāyuṣaḥ	sahasrāyurbhyām	sahasrāyurbhyaḥ
Genitive	sahasrāyuṣaḥ	sahasrāyuṣoḥ	sahasrāyuṣām
Locative	sahasrāyuṣi	sahasrāyuṣoḥ	sahasrāyuḥṣu

Compound sahasrāyus -

Adverb -sahasrāyus