Declension table of ?prathamakalpa

Masculine	Singular	Dual	Plural
Nominative	prathamakalpaḥ	prathamakalpau	prathamakalpāḥ
Vocative	prathamakalpa	prathamakalpau	prathamakalpāḥ
Accusative	prathamakalpam	prathamakalpau	prathamakalpān
Instrumental	prathamakalpena	prathamakalpābhyām	prathamakalpaiḥ prathamakalpebhiḥ
Dative	prathamakalpāya	prathamakalpābhyām	prathamakalpebhyaḥ
Ablative	prathamakalpāt	prathamakalpābhyām	prathamakalpebhyaḥ
Genitive	prathamakalpasya	prathamakalpayoḥ	prathamakalpānām
Locative	prathamakalpe	prathamakalpayoḥ	prathamakalpeṣu

Compound prathamakalpa -

Adverb -prathamakalpam -prathamakalpāt