Declension table of ?devānna

Neuter	Singular	Dual	Plural
Nominative	devānnam	devānne	devānnāni
Vocative	devānna	devānne	devānnāni
Accusative	devānnam	devānne	devānnāni
Instrumental	devānnena	devānnābhyām	devānnaiḥ
Dative	devānnāya	devānnābhyām	devānnebhyaḥ
Ablative	devānnāt	devānnābhyām	devānnebhyaḥ
Genitive	devānnasya	devānnayoḥ	devānnānām
Locative	devānne	devānnayoḥ	devānneṣu

Compound devānna -

Adverb -devānnam -devānnāt