Declension table of ?hṛdayātman

Masculine	Singular	Dual	Plural
Nominative	hṛdayātmā	hṛdayātmānau	hṛdayātmānaḥ
Vocative	hṛdayātman	hṛdayātmānau	hṛdayātmānaḥ
Accusative	hṛdayātmānam	hṛdayātmānau	hṛdayātmanaḥ
Instrumental	hṛdayātmanā	hṛdayātmabhyām	hṛdayātmabhiḥ
Dative	hṛdayātmane	hṛdayātmabhyām	hṛdayātmabhyaḥ
Ablative	hṛdayātmanaḥ	hṛdayātmabhyām	hṛdayātmabhyaḥ
Genitive	hṛdayātmanaḥ	hṛdayātmanoḥ	hṛdayātmanām
Locative	hṛdayātmani	hṛdayātmanoḥ	hṛdayātmasu

Compound hṛdayātma -

Adverb -hṛdayātmam