Declension table of ?prothanīya

Neuter	Singular	Dual	Plural
Nominative	prothanīyam	prothanīye	prothanīyāni
Vocative	prothanīya	prothanīye	prothanīyāni
Accusative	prothanīyam	prothanīye	prothanīyāni
Instrumental	prothanīyena	prothanīyābhyām	prothanīyaiḥ
Dative	prothanīyāya	prothanīyābhyām	prothanīyebhyaḥ
Ablative	prothanīyāt	prothanīyābhyām	prothanīyebhyaḥ
Genitive	prothanīyasya	prothanīyayoḥ	prothanīyānām
Locative	prothanīye	prothanīyayoḥ	prothanīyeṣu

Compound prothanīya -

Adverb -prothanīyam -prothanīyāt