Declension table of ?devayāvan

Neuter	Singular	Dual	Plural
Nominative	devayāva	devayāvnī devayāvanī	devayāvāni
Vocative	devayāvan devayāva	devayāvnī devayāvanī	devayāvāni
Accusative	devayāva	devayāvnī devayāvanī	devayāvāni
Instrumental	devayāvnā	devayāvabhyām	devayāvabhiḥ
Dative	devayāvne	devayāvabhyām	devayāvabhyaḥ
Ablative	devayāvnaḥ	devayāvabhyām	devayāvabhyaḥ
Genitive	devayāvnaḥ	devayāvnoḥ	devayāvnām
Locative	devayāvni devayāvani	devayāvnoḥ	devayāvasu

Compound devayāva -

Adverb -devayāva -devayāvam