Declension table of ?prothanīya

Masculine	Singular	Dual	Plural
Nominative	prothanīyaḥ	prothanīyau	prothanīyāḥ
Vocative	prothanīya	prothanīyau	prothanīyāḥ
Accusative	prothanīyam	prothanīyau	prothanīyān
Instrumental	prothanīyena	prothanīyābhyām	prothanīyaiḥ prothanīyebhiḥ
Dative	prothanīyāya	prothanīyābhyām	prothanīyebhyaḥ
Ablative	prothanīyāt	prothanīyābhyām	prothanīyebhyaḥ
Genitive	prothanīyasya	prothanīyayoḥ	prothanīyānām
Locative	prothanīye	prothanīyayoḥ	prothanīyeṣu

Compound prothanīya -

Adverb -prothanīyam -prothanīyāt