Declension table of ?kaṭhinatva

Neuter	Singular	Dual	Plural
Nominative	kaṭhinatvam	kaṭhinatve	kaṭhinatvāni
Vocative	kaṭhinatva	kaṭhinatve	kaṭhinatvāni
Accusative	kaṭhinatvam	kaṭhinatve	kaṭhinatvāni
Instrumental	kaṭhinatvena	kaṭhinatvābhyām	kaṭhinatvaiḥ
Dative	kaṭhinatvāya	kaṭhinatvābhyām	kaṭhinatvebhyaḥ
Ablative	kaṭhinatvāt	kaṭhinatvābhyām	kaṭhinatvebhyaḥ
Genitive	kaṭhinatvasya	kaṭhinatvayoḥ	kaṭhinatvānām
Locative	kaṭhinatve	kaṭhinatvayoḥ	kaṭhinatveṣu

Compound kaṭhinatva -

Adverb -kaṭhinatvam -kaṭhinatvāt