Declension table of ?catu

Masculine	Singular	Dual	Plural
Nominative	catuḥ	catū	catavaḥ
Vocative	cato	catū	catavaḥ
Accusative	catum	catū	catūn
Instrumental	catunā	catubhyām	catubhiḥ
Dative	catave	catubhyām	catubhyaḥ
Ablative	catoḥ	catubhyām	catubhyaḥ
Genitive	catoḥ	catvoḥ	catūnām
Locative	catau	catvoḥ	catuṣu

Compound catu -

Adverb -catu