Declension table of ?catya

Masculine	Singular	Dual	Plural
Nominative	catyaḥ	catyau	catyāḥ
Vocative	catya	catyau	catyāḥ
Accusative	catyam	catyau	catyān
Instrumental	catyena	catyābhyām	catyaiḥ catyebhiḥ
Dative	catyāya	catyābhyām	catyebhyaḥ
Ablative	catyāt	catyābhyām	catyebhyaḥ
Genitive	catyasya	catyayoḥ	catyānām
Locative	catye	catyayoḥ	catyeṣu

Compound catya -

Adverb -catyam -catyāt