Declension table of ?marchitavya

Neuter	Singular	Dual	Plural
Nominative	marchitavyam	marchitavye	marchitavyāni
Vocative	marchitavya	marchitavye	marchitavyāni
Accusative	marchitavyam	marchitavye	marchitavyāni
Instrumental	marchitavyena	marchitavyābhyām	marchitavyaiḥ
Dative	marchitavyāya	marchitavyābhyām	marchitavyebhyaḥ
Ablative	marchitavyāt	marchitavyābhyām	marchitavyebhyaḥ
Genitive	marchitavyasya	marchitavyayoḥ	marchitavyānām
Locative	marchitavye	marchitavyayoḥ	marchitavyeṣu

Compound marchitavya -

Adverb -marchitavyam -marchitavyāt