Declension table of ?antastha

Masculine	Singular	Dual	Plural
Nominative	antasthaḥ	antasthau	antasthāḥ
Vocative	antastha	antasthau	antasthāḥ
Accusative	antastham	antasthau	antasthān
Instrumental	antasthena	antasthābhyām	antasthaiḥ antasthebhiḥ
Dative	antasthāya	antasthābhyām	antasthebhyaḥ
Ablative	antasthāt	antasthābhyām	antasthebhyaḥ
Genitive	antasthasya	antasthayoḥ	antasthānām
Locative	antasthe	antasthayoḥ	antastheṣu

Compound antastha -

Adverb -antastham -antasthāt