Declension table of ?marṣṭavya

Neuter	Singular	Dual	Plural
Nominative	marṣṭavyam	marṣṭavye	marṣṭavyāni
Vocative	marṣṭavya	marṣṭavye	marṣṭavyāni
Accusative	marṣṭavyam	marṣṭavye	marṣṭavyāni
Instrumental	marṣṭavyena	marṣṭavyābhyām	marṣṭavyaiḥ
Dative	marṣṭavyāya	marṣṭavyābhyām	marṣṭavyebhyaḥ
Ablative	marṣṭavyāt	marṣṭavyābhyām	marṣṭavyebhyaḥ
Genitive	marṣṭavyasya	marṣṭavyayoḥ	marṣṭavyānām
Locative	marṣṭavye	marṣṭavyayoḥ	marṣṭavyeṣu

Compound marṣṭavya -

Adverb -marṣṭavyam -marṣṭavyāt