Declension table of ?adhimanthana

Neuter	Singular	Dual	Plural
Nominative	adhimanthanam	adhimanthane	adhimanthanāni
Vocative	adhimanthana	adhimanthane	adhimanthanāni
Accusative	adhimanthanam	adhimanthane	adhimanthanāni
Instrumental	adhimanthanena	adhimanthanābhyām	adhimanthanaiḥ
Dative	adhimanthanāya	adhimanthanābhyām	adhimanthanebhyaḥ
Ablative	adhimanthanāt	adhimanthanābhyām	adhimanthanebhyaḥ
Genitive	adhimanthanasya	adhimanthanayoḥ	adhimanthanānām
Locative	adhimanthane	adhimanthanayoḥ	adhimanthaneṣu

Compound adhimanthana -

Adverb -adhimanthanam -adhimanthanāt