Declension table of ?catu

Neuter	Singular	Dual	Plural
Nominative	catu	catunī	catūni
Vocative	catu	catunī	catūni
Accusative	catu	catunī	catūni
Instrumental	catunā	catubhyām	catubhiḥ
Dative	catune	catubhyām	catubhyaḥ
Ablative	catunaḥ	catubhyām	catubhyaḥ
Genitive	catunaḥ	catunoḥ	catūnām
Locative	catuni	catunoḥ	catuṣu

Compound catu -

Adverb -catu