Declension table of ?hṛdyatama

Neuter	Singular	Dual	Plural
Nominative	hṛdyatamam	hṛdyatame	hṛdyatamāni
Vocative	hṛdyatama	hṛdyatame	hṛdyatamāni
Accusative	hṛdyatamam	hṛdyatame	hṛdyatamāni
Instrumental	hṛdyatamena	hṛdyatamābhyām	hṛdyatamaiḥ
Dative	hṛdyatamāya	hṛdyatamābhyām	hṛdyatamebhyaḥ
Ablative	hṛdyatamāt	hṛdyatamābhyām	hṛdyatamebhyaḥ
Genitive	hṛdyatamasya	hṛdyatamayoḥ	hṛdyatamānām
Locative	hṛdyatame	hṛdyatamayoḥ	hṛdyatameṣu

Compound hṛdyatama -

Adverb -hṛdyatamam -hṛdyatamāt