Declension table of ?kathayāna

Masculine	Singular	Dual	Plural
Nominative	kathayānaḥ	kathayānau	kathayānāḥ
Vocative	kathayāna	kathayānau	kathayānāḥ
Accusative	kathayānam	kathayānau	kathayānān
Instrumental	kathayānena	kathayānābhyām	kathayānaiḥ kathayānebhiḥ
Dative	kathayānāya	kathayānābhyām	kathayānebhyaḥ
Ablative	kathayānāt	kathayānābhyām	kathayānebhyaḥ
Genitive	kathayānasya	kathayānayoḥ	kathayānānām
Locative	kathayāne	kathayānayoḥ	kathayāneṣu

Compound kathayāna -

Adverb -kathayānam -kathayānāt