Declension table of ?prasthāyin

Neuter	Singular	Dual	Plural
Nominative	prasthāyi	prasthāyinī	prasthāyīni
Vocative	prasthāyin prasthāyi	prasthāyinī	prasthāyīni
Accusative	prasthāyi	prasthāyinī	prasthāyīni
Instrumental	prasthāyinā	prasthāyibhyām	prasthāyibhiḥ
Dative	prasthāyine	prasthāyibhyām	prasthāyibhyaḥ
Ablative	prasthāyinaḥ	prasthāyibhyām	prasthāyibhyaḥ
Genitive	prasthāyinaḥ	prasthāyinoḥ	prasthāyinām
Locative	prasthāyini	prasthāyinoḥ	prasthāyiṣu

Compound prasthāyi -

Adverb -prasthāyi