Declension table of ?anupūrvakeśa

Masculine	Singular	Dual	Plural
Nominative	anupūrvakeśaḥ	anupūrvakeśau	anupūrvakeśāḥ
Vocative	anupūrvakeśa	anupūrvakeśau	anupūrvakeśāḥ
Accusative	anupūrvakeśam	anupūrvakeśau	anupūrvakeśān
Instrumental	anupūrvakeśena	anupūrvakeśābhyām	anupūrvakeśaiḥ anupūrvakeśebhiḥ
Dative	anupūrvakeśāya	anupūrvakeśābhyām	anupūrvakeśebhyaḥ
Ablative	anupūrvakeśāt	anupūrvakeśābhyām	anupūrvakeśebhyaḥ
Genitive	anupūrvakeśasya	anupūrvakeśayoḥ	anupūrvakeśānām
Locative	anupūrvakeśe	anupūrvakeśayoḥ	anupūrvakeśeṣu

Compound anupūrvakeśa -

Adverb -anupūrvakeśam -anupūrvakeśāt