Declension table of ?atyahna

Neuter	Singular	Dual	Plural
Nominative	atyahnam	atyahne	atyahnāni
Vocative	atyahna	atyahne	atyahnāni
Accusative	atyahnam	atyahne	atyahnāni
Instrumental	atyahnena	atyahnābhyām	atyahnaiḥ
Dative	atyahnāya	atyahnābhyām	atyahnebhyaḥ
Ablative	atyahnāt	atyahnābhyām	atyahnebhyaḥ
Genitive	atyahnasya	atyahnayoḥ	atyahnānām
Locative	atyahne	atyahnayoḥ	atyahneṣu

Compound atyahna -

Adverb -atyahnam -atyahnāt