Declension table of ?prathu

Masculine	Singular	Dual	Plural
Nominative	prathuḥ	prathū	prathavaḥ
Vocative	pratho	prathū	prathavaḥ
Accusative	prathum	prathū	prathūn
Instrumental	prathunā	prathubhyām	prathubhiḥ
Dative	prathave	prathubhyām	prathubhyaḥ
Ablative	prathoḥ	prathubhyām	prathubhyaḥ
Genitive	prathoḥ	prathvoḥ	prathūnām
Locative	prathau	prathvoḥ	prathuṣu

Compound prathu -

Adverb -prathu