Declension table of ?kāṣṭāyana

Masculine	Singular	Dual	Plural
Nominative	kāṣṭāyanaḥ	kāṣṭāyanau	kāṣṭāyanāḥ
Vocative	kāṣṭāyana	kāṣṭāyanau	kāṣṭāyanāḥ
Accusative	kāṣṭāyanam	kāṣṭāyanau	kāṣṭāyanān
Instrumental	kāṣṭāyanena	kāṣṭāyanābhyām	kāṣṭāyanaiḥ kāṣṭāyanebhiḥ
Dative	kāṣṭāyanāya	kāṣṭāyanābhyām	kāṣṭāyanebhyaḥ
Ablative	kāṣṭāyanāt	kāṣṭāyanābhyām	kāṣṭāyanebhyaḥ
Genitive	kāṣṭāyanasya	kāṣṭāyanayoḥ	kāṣṭāyanānām
Locative	kāṣṭāyane	kāṣṭāyanayoḥ	kāṣṭāyaneṣu

Compound kāṣṭāyana -

Adverb -kāṣṭāyanam -kāṣṭāyanāt