Declension table of ?aśvastana

Masculine	Singular	Dual	Plural
Nominative	aśvastanaḥ	aśvastanau	aśvastanāḥ
Vocative	aśvastana	aśvastanau	aśvastanāḥ
Accusative	aśvastanam	aśvastanau	aśvastanān
Instrumental	aśvastanena	aśvastanābhyām	aśvastanaiḥ aśvastanebhiḥ
Dative	aśvastanāya	aśvastanābhyām	aśvastanebhyaḥ
Ablative	aśvastanāt	aśvastanābhyām	aśvastanebhyaḥ
Genitive	aśvastanasya	aśvastanayoḥ	aśvastanānām
Locative	aśvastane	aśvastanayoḥ	aśvastaneṣu

Compound aśvastana -

Adverb -aśvastanam -aśvastanāt