Declension table of ?hatamānasa

Neuter	Singular	Dual	Plural
Nominative	hatamānasam	hatamānase	hatamānasāni
Vocative	hatamānasa	hatamānase	hatamānasāni
Accusative	hatamānasam	hatamānase	hatamānasāni
Instrumental	hatamānasena	hatamānasābhyām	hatamānasaiḥ
Dative	hatamānasāya	hatamānasābhyām	hatamānasebhyaḥ
Ablative	hatamānasāt	hatamānasābhyām	hatamānasebhyaḥ
Genitive	hatamānasasya	hatamānasayoḥ	hatamānasānām
Locative	hatamānase	hatamānasayoḥ	hatamānaseṣu

Compound hatamānasa -

Adverb -hatamānasam -hatamānasāt