Declension table of ?prathamaka

Neuter	Singular	Dual	Plural
Nominative	prathamakam	prathamake	prathamakāni
Vocative	prathamaka	prathamake	prathamakāni
Accusative	prathamakam	prathamake	prathamakāni
Instrumental	prathamakena	prathamakābhyām	prathamakaiḥ
Dative	prathamakāya	prathamakābhyām	prathamakebhyaḥ
Ablative	prathamakāt	prathamakābhyām	prathamakebhyaḥ
Genitive	prathamakasya	prathamakayoḥ	prathamakānām
Locative	prathamake	prathamakayoḥ	prathamakeṣu

Compound prathamaka -

Adverb -prathamakam -prathamakāt