Declension table of ?prahastaka

Neuter	Singular	Dual	Plural
Nominative	prahastakam	prahastake	prahastakāni
Vocative	prahastaka	prahastake	prahastakāni
Accusative	prahastakam	prahastake	prahastakāni
Instrumental	prahastakena	prahastakābhyām	prahastakaiḥ
Dative	prahastakāya	prahastakābhyām	prahastakebhyaḥ
Ablative	prahastakāt	prahastakābhyām	prahastakebhyaḥ
Genitive	prahastakasya	prahastakayoḥ	prahastakānām
Locative	prahastake	prahastakayoḥ	prahastakeṣu

Compound prahastaka -

Adverb -prahastakam -prahastakāt