Declension table of ?prathamasāhasa

Masculine	Singular	Dual	Plural
Nominative	prathamasāhasaḥ	prathamasāhasau	prathamasāhasāḥ
Vocative	prathamasāhasa	prathamasāhasau	prathamasāhasāḥ
Accusative	prathamasāhasam	prathamasāhasau	prathamasāhasān
Instrumental	prathamasāhasena	prathamasāhasābhyām	prathamasāhasaiḥ prathamasāhasebhiḥ
Dative	prathamasāhasāya	prathamasāhasābhyām	prathamasāhasebhyaḥ
Ablative	prathamasāhasāt	prathamasāhasābhyām	prathamasāhasebhyaḥ
Genitive	prathamasāhasasya	prathamasāhasayoḥ	prathamasāhasānām
Locative	prathamasāhase	prathamasāhasayoḥ	prathamasāhaseṣu

Compound prathamasāhasa -

Adverb -prathamasāhasam -prathamasāhasāt