Declension table of ?prasthampaca

Masculine	Singular	Dual	Plural
Nominative	prasthampacaḥ	prasthampacau	prasthampacāḥ
Vocative	prasthampaca	prasthampacau	prasthampacāḥ
Accusative	prasthampacam	prasthampacau	prasthampacān
Instrumental	prasthampacena	prasthampacābhyām	prasthampacaiḥ prasthampacebhiḥ
Dative	prasthampacāya	prasthampacābhyām	prasthampacebhyaḥ
Ablative	prasthampacāt	prasthampacābhyām	prasthampacebhyaḥ
Genitive	prasthampacasya	prasthampacayoḥ	prasthampacānām
Locative	prasthampace	prasthampacayoḥ	prasthampaceṣu

Compound prasthampaca -

Adverb -prasthampacam -prasthampacāt