Declension table of ?kāṣṭhatakṣaka

Masculine	Singular	Dual	Plural
Nominative	kāṣṭhatakṣakaḥ	kāṣṭhatakṣakau	kāṣṭhatakṣakāḥ
Vocative	kāṣṭhatakṣaka	kāṣṭhatakṣakau	kāṣṭhatakṣakāḥ
Accusative	kāṣṭhatakṣakam	kāṣṭhatakṣakau	kāṣṭhatakṣakān
Instrumental	kāṣṭhatakṣakeṇa	kāṣṭhatakṣakābhyām	kāṣṭhatakṣakaiḥ kāṣṭhatakṣakebhiḥ
Dative	kāṣṭhatakṣakāya	kāṣṭhatakṣakābhyām	kāṣṭhatakṣakebhyaḥ
Ablative	kāṣṭhatakṣakāt	kāṣṭhatakṣakābhyām	kāṣṭhatakṣakebhyaḥ
Genitive	kāṣṭhatakṣakasya	kāṣṭhatakṣakayoḥ	kāṣṭhatakṣakāṇām
Locative	kāṣṭhatakṣake	kāṣṭhatakṣakayoḥ	kāṣṭhatakṣakeṣu

Compound kāṣṭhatakṣaka -

Adverb -kāṣṭhatakṣakam -kāṣṭhatakṣakāt