Declension table of ?apayāna

Neuter	Singular	Dual	Plural
Nominative	apayānam	apayāne	apayānāni
Vocative	apayāna	apayāne	apayānāni
Accusative	apayānam	apayāne	apayānāni
Instrumental	apayānena	apayānābhyām	apayānaiḥ
Dative	apayānāya	apayānābhyām	apayānebhyaḥ
Ablative	apayānāt	apayānābhyām	apayānebhyaḥ
Genitive	apayānasya	apayānayoḥ	apayānānām
Locative	apayāne	apayānayoḥ	apayāneṣu

Compound apayāna -

Adverb -apayānam -apayānāt