Declension table of ?prathamaka

Masculine	Singular	Dual	Plural
Nominative	prathamakaḥ	prathamakau	prathamakāḥ
Vocative	prathamaka	prathamakau	prathamakāḥ
Accusative	prathamakam	prathamakau	prathamakān
Instrumental	prathamakena	prathamakābhyām	prathamakaiḥ prathamakebhiḥ
Dative	prathamakāya	prathamakābhyām	prathamakebhyaḥ
Ablative	prathamakāt	prathamakābhyām	prathamakebhyaḥ
Genitive	prathamakasya	prathamakayoḥ	prathamakānām
Locative	prathamake	prathamakayoḥ	prathamakeṣu

Compound prathamaka -

Adverb -prathamakam -prathamakāt