Declension table of ?hṛddyotana

Neuter	Singular	Dual	Plural
Nominative	hṛddyotanam	hṛddyotane	hṛddyotanāni
Vocative	hṛddyotana	hṛddyotane	hṛddyotanāni
Accusative	hṛddyotanam	hṛddyotane	hṛddyotanāni
Instrumental	hṛddyotanena	hṛddyotanābhyām	hṛddyotanaiḥ
Dative	hṛddyotanāya	hṛddyotanābhyām	hṛddyotanebhyaḥ
Ablative	hṛddyotanāt	hṛddyotanābhyām	hṛddyotanebhyaḥ
Genitive	hṛddyotanasya	hṛddyotanayoḥ	hṛddyotanānām
Locative	hṛddyotane	hṛddyotanayoḥ	hṛddyotaneṣu

Compound hṛddyotana -

Adverb -hṛddyotanam -hṛddyotanāt