Declension table of ?prasthampaca

Neuter	Singular	Dual	Plural
Nominative	prasthampacam	prasthampace	prasthampacāni
Vocative	prasthampaca	prasthampace	prasthampacāni
Accusative	prasthampacam	prasthampace	prasthampacāni
Instrumental	prasthampacena	prasthampacābhyām	prasthampacaiḥ
Dative	prasthampacāya	prasthampacābhyām	prasthampacebhyaḥ
Ablative	prasthampacāt	prasthampacābhyām	prasthampacebhyaḥ
Genitive	prasthampacasya	prasthampacayoḥ	prasthampacānām
Locative	prasthampace	prasthampacayoḥ	prasthampaceṣu

Compound prasthampaca -

Adverb -prasthampacam -prasthampacāt