Declension table of ?cātuṣṭaya

Masculine	Singular	Dual	Plural
Nominative	cātuṣṭayaḥ	cātuṣṭayau	cātuṣṭayāḥ
Vocative	cātuṣṭaya	cātuṣṭayau	cātuṣṭayāḥ
Accusative	cātuṣṭayam	cātuṣṭayau	cātuṣṭayān
Instrumental	cātuṣṭayena	cātuṣṭayābhyām	cātuṣṭayaiḥ cātuṣṭayebhiḥ
Dative	cātuṣṭayāya	cātuṣṭayābhyām	cātuṣṭayebhyaḥ
Ablative	cātuṣṭayāt	cātuṣṭayābhyām	cātuṣṭayebhyaḥ
Genitive	cātuṣṭayasya	cātuṣṭayayoḥ	cātuṣṭayānām
Locative	cātuṣṭaye	cātuṣṭayayoḥ	cātuṣṭayeṣu

Compound cātuṣṭaya -

Adverb -cātuṣṭayam -cātuṣṭayāt