Declension table of ?aśvastana

Neuter	Singular	Dual	Plural
Nominative	aśvastanam	aśvastane	aśvastanāni
Vocative	aśvastana	aśvastane	aśvastanāni
Accusative	aśvastanam	aśvastane	aśvastanāni
Instrumental	aśvastanena	aśvastanābhyām	aśvastanaiḥ
Dative	aśvastanāya	aśvastanābhyām	aśvastanebhyaḥ
Ablative	aśvastanāt	aśvastanābhyām	aśvastanebhyaḥ
Genitive	aśvastanasya	aśvastanayoḥ	aśvastanānām
Locative	aśvastane	aśvastanayoḥ	aśvastaneṣu

Compound aśvastana -

Adverb -aśvastanam -aśvastanāt