Declension table of ?cumbitavya

Neuter	Singular	Dual	Plural
Nominative	cumbitavyam	cumbitavye	cumbitavyāni
Vocative	cumbitavya	cumbitavye	cumbitavyāni
Accusative	cumbitavyam	cumbitavye	cumbitavyāni
Instrumental	cumbitavyena	cumbitavyābhyām	cumbitavyaiḥ
Dative	cumbitavyāya	cumbitavyābhyām	cumbitavyebhyaḥ
Ablative	cumbitavyāt	cumbitavyābhyām	cumbitavyebhyaḥ
Genitive	cumbitavyasya	cumbitavyayoḥ	cumbitavyānām
Locative	cumbitavye	cumbitavyayoḥ	cumbitavyeṣu

Compound cumbitavya -

Adverb -cumbitavyam -cumbitavyāt