Declension table of ?śeṇāna

Neuter	Singular	Dual	Plural
Nominative	śeṇānam	śeṇāne	śeṇānāni
Vocative	śeṇāna	śeṇāne	śeṇānāni
Accusative	śeṇānam	śeṇāne	śeṇānāni
Instrumental	śeṇānena	śeṇānābhyām	śeṇānaiḥ
Dative	śeṇānāya	śeṇānābhyām	śeṇānebhyaḥ
Ablative	śeṇānāt	śeṇānābhyām	śeṇānebhyaḥ
Genitive	śeṇānasya	śeṇānayoḥ	śeṇānānām
Locative	śeṇāne	śeṇānayoḥ	śeṇāneṣu

Compound śeṇāna -

Adverb -śeṇānam -śeṇānāt