Declension table of ?prasādastha

Neuter	Singular	Dual	Plural
Nominative	prasādastham	prasādasthe	prasādasthāni
Vocative	prasādastha	prasādasthe	prasādasthāni
Accusative	prasādastham	prasādasthe	prasādasthāni
Instrumental	prasādasthena	prasādasthābhyām	prasādasthaiḥ
Dative	prasādasthāya	prasādasthābhyām	prasādasthebhyaḥ
Ablative	prasādasthāt	prasādasthābhyām	prasādasthebhyaḥ
Genitive	prasādasthasya	prasādasthayoḥ	prasādasthānām
Locative	prasādasthe	prasādasthayoḥ	prasādastheṣu

Compound prasādastha -

Adverb -prasādastham -prasādasthāt