Declension table of ?mārṣṭavya

Masculine	Singular	Dual	Plural
Nominative	mārṣṭavyaḥ	mārṣṭavyau	mārṣṭavyāḥ
Vocative	mārṣṭavya	mārṣṭavyau	mārṣṭavyāḥ
Accusative	mārṣṭavyam	mārṣṭavyau	mārṣṭavyān
Instrumental	mārṣṭavyena	mārṣṭavyābhyām	mārṣṭavyaiḥ mārṣṭavyebhiḥ
Dative	mārṣṭavyāya	mārṣṭavyābhyām	mārṣṭavyebhyaḥ
Ablative	mārṣṭavyāt	mārṣṭavyābhyām	mārṣṭavyebhyaḥ
Genitive	mārṣṭavyasya	mārṣṭavyayoḥ	mārṣṭavyānām
Locative	mārṣṭavye	mārṣṭavyayoḥ	mārṣṭavyeṣu

Compound mārṣṭavya -

Adverb -mārṣṭavyam -mārṣṭavyāt