Declension table of ?arśasāna

Neuter	Singular	Dual	Plural
Nominative	arśasānam	arśasāne	arśasānāni
Vocative	arśasāna	arśasāne	arśasānāni
Accusative	arśasānam	arśasāne	arśasānāni
Instrumental	arśasānena	arśasānābhyām	arśasānaiḥ
Dative	arśasānāya	arśasānābhyām	arśasānebhyaḥ
Ablative	arśasānāt	arśasānābhyām	arśasānebhyaḥ
Genitive	arśasānasya	arśasānayoḥ	arśasānānām
Locative	arśasāne	arśasānayoḥ	arśasāneṣu

Compound arśasāna -

Adverb -arśasānam -arśasānāt