Declension table of ?katthya

Masculine	Singular	Dual	Plural
Nominative	katthyaḥ	katthyau	katthyāḥ
Vocative	katthya	katthyau	katthyāḥ
Accusative	katthyam	katthyau	katthyān
Instrumental	katthyena	katthyābhyām	katthyaiḥ katthyebhiḥ
Dative	katthyāya	katthyābhyām	katthyebhyaḥ
Ablative	katthyāt	katthyābhyām	katthyebhyaḥ
Genitive	katthyasya	katthyayoḥ	katthyānām
Locative	katthye	katthyayoḥ	katthyeṣu

Compound katthya -

Adverb -katthyam -katthyāt