Declension table of ?prāthya

Neuter	Singular	Dual	Plural
Nominative	prāthyam	prāthye	prāthyāni
Vocative	prāthya	prāthye	prāthyāni
Accusative	prāthyam	prāthye	prāthyāni
Instrumental	prāthyena	prāthyābhyām	prāthyaiḥ
Dative	prāthyāya	prāthyābhyām	prāthyebhyaḥ
Ablative	prāthyāt	prāthyābhyām	prāthyebhyaḥ
Genitive	prāthyasya	prāthyayoḥ	prāthyānām
Locative	prāthye	prāthyayoḥ	prāthyeṣu

Compound prāthya -

Adverb -prāthyam -prāthyāt