Declension table of ?prāntastha

Masculine	Singular	Dual	Plural
Nominative	prāntasthaḥ	prāntasthau	prāntasthāḥ
Vocative	prāntastha	prāntasthau	prāntasthāḥ
Accusative	prāntastham	prāntasthau	prāntasthān
Instrumental	prāntasthena	prāntasthābhyām	prāntasthaiḥ prāntasthebhiḥ
Dative	prāntasthāya	prāntasthābhyām	prāntasthebhyaḥ
Ablative	prāntasthāt	prāntasthābhyām	prāntasthebhyaḥ
Genitive	prāntasthasya	prāntasthayoḥ	prāntasthānām
Locative	prāntasthe	prāntasthayoḥ	prāntastheṣu

Compound prāntastha -

Adverb -prāntastham -prāntasthāt