Declension table of ?katrya

Neuter	Singular	Dual	Plural
Nominative	katryam	katrye	katryāṇi
Vocative	katrya	katrye	katryāṇi
Accusative	katryam	katrye	katryāṇi
Instrumental	katryeṇa	katryābhyām	katryaiḥ
Dative	katryāya	katryābhyām	katryebhyaḥ
Ablative	katryāt	katryābhyām	katryebhyaḥ
Genitive	katryasya	katryayoḥ	katryāṇām
Locative	katrye	katryayoḥ	katryeṣu

Compound katrya -

Adverb -katryam -katryāt