Declension table of ?tarphitavya

Neuter	Singular	Dual	Plural
Nominative	tarphitavyam	tarphitavye	tarphitavyāni
Vocative	tarphitavya	tarphitavye	tarphitavyāni
Accusative	tarphitavyam	tarphitavye	tarphitavyāni
Instrumental	tarphitavyena	tarphitavyābhyām	tarphitavyaiḥ
Dative	tarphitavyāya	tarphitavyābhyām	tarphitavyebhyaḥ
Ablative	tarphitavyāt	tarphitavyābhyām	tarphitavyebhyaḥ
Genitive	tarphitavyasya	tarphitavyayoḥ	tarphitavyānām
Locative	tarphitavye	tarphitavyayoḥ	tarphitavyeṣu

Compound tarphitavya -

Adverb -tarphitavyam -tarphitavyāt